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Taxicab number

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3176: 1099: 3171:{\displaystyle {\begin{aligned}\operatorname {Ta} (7)\leq &\ 24885189317885898975235988544\\&=2648660966^{3}+1847282122^{3}\\&=2685635652^{3}+1766742096^{3}\\&=2736414008^{3}+1638024868^{3}\\&=2894406187^{3}+860447381^{3}\\&=2915734948^{3}+459531128^{3}\\&=2918375103^{3}+309481473^{3}\\&=2919526806^{3}+58798362^{3}\\\operatorname {Ta} (8)\leq &\ 50974398750539071400590819921724352\\&=299512063576^{3}+288873662876^{3}\\&=336379942682^{3}+234604829494^{3}\\&=341075727804^{3}+224376246192^{3}\\&=347524579016^{3}+208029158236^{3}\\&=367589585749^{3}+109276817387^{3}\\&=370298338396^{3}+58360453256^{3}\\&=370633638081^{3}+39304147071^{3}\\&=370779904362^{3}+7467391974^{3}\\\operatorname {Ta} (9)\leq &\ 136897813798023990395783317207361432493888\\&=41632176837064^{3}+40153439139764^{3}\\&=46756812032798^{3}+32610071299666^{3}\\&=47409526164756^{3}+31188298220688^{3}\\&=48305916483224^{3}+28916052994804^{3}\\&=51094952419111^{3}+15189477616793^{3}\\&=51471469037044^{3}+8112103002584^{3}\\&=51518075693259^{3}+5463276442869^{3}\\&=51530042142656^{3}+4076877805588^{3}\\&=51538406706318^{3}+1037967484386^{3}\\\operatorname {Ta} (10)\leq &\ 7335345315241855602572782233444632535674275447104\\&=15695330667573128^{3}+15137846555691028^{3}\\&=17627318136364846^{3}+12293996879974082^{3}\\&=17873391364113012^{3}+11757988429199376^{3}\\&=18211330514175448^{3}+10901351979041108^{3}\\&=19262797062004847^{3}+5726433061530961^{3}\\&=19404743826965588^{3}+3058262831974168^{3}\\&=19422314536358643^{3}+2059655218961613^{3}\\&=19426825887781312^{3}+1536982932706676^{3}\\&=19429379778270560^{3}+904069333568884^{3}\\&=19429979328281886^{3}+391313741613522^{3}\\\operatorname {Ta} (11)\leq &\ 2818537360434849382734382145310807703728251895897826621632\\&=11410505395325664056^{3}+11005214445987377356^{3}\\&=12815060285137243042^{3}+8937735731741157614^{3}\\&=12993955521710159724^{3}+8548057588027946352^{3}\\&=13239637283805550696^{3}+7925282888762885516^{3}\\&=13600192974314732786^{3}+6716379921779399326^{3}\\&=14004053464077523769^{3}+4163116835733008647^{3}\\&=14107248762203982476^{3}+2223357078845220136^{3}\\&=14120022667932733461^{3}+1497369344185092651^{3}\\&=14123302420417013824^{3}+1117386592077753452^{3}\\&=14125159098802697120^{3}+657258405504578668^{3}\\&=14125594971660931122^{3}+284485090153030494^{3}\\\operatorname {Ta} (12)\leq &\ 73914858746493893996583617733225161086864012865017882136931801625152\\&=33900611529512547910376^{3}+32696492119028498124676^{3}\\&=38073544107142749077782^{3}+26554012859002979271194^{3}\\&=38605041855000884540004^{3}+25396279094031028611792^{3}\\&=39334962370186291117816^{3}+23546015462514532868036^{3}\\&=40406173326689071107206^{3}+19954364747606595397546^{3}\\&=41606042841774323117699^{3}+12368620118962768690237^{3}\\&=41912636072508031936196^{3}+6605593881249149024056^{3}\\&=41950587346428151112631^{3}+4448684321573910266121^{3}\\&=41960331491058948071104^{3}+3319755565063005505892^{3}\\&=41965847682542813143520^{3}+1952714722754103222628^{3}\\&=41965889731136229476526^{3}+1933097542618122241026^{3}\\&=41967142660804626363462^{3}+845205202844653597674^{3}\end{aligned}}} 1085: 196: 1080:{\displaystyle {\begin{aligned}\operatorname {Ta} (1)=&\ 2\\&=1^{3}+1^{3}\\\operatorname {Ta} (2)=&\ 1729\\&=1^{3}+12^{3}\\&=9^{3}+10^{3}\\\operatorname {Ta} (3)=&\ 87539319\\&=167^{3}+436^{3}\\&=228^{3}+423^{3}\\&=255^{3}+414^{3}\\\operatorname {Ta} (4)=&\ 6963472309248\\&=2421^{3}+19083^{3}\\&=5436^{3}+18948^{3}\\&=10200^{3}+18072^{3}\\&=13322^{3}+16630^{3}\\\operatorname {Ta} (5)=&\ 48988659276962496\\&=38787^{3}+365757^{3}\\&=107839^{3}+362753^{3}\\&=205292^{3}+342952^{3}\\&=221424^{3}+336588^{3}\\&=231518^{3}+331954^{3}\\\operatorname {Ta} (6)=&\ 24153319581254312065344\\&=582162^{3}+28906206^{3}\\&=3064173^{3}+28894803^{3}\\&=8519281^{3}+28657487^{3}\\&=16218068^{3}+27093208^{3}\\&=17492496^{3}+26590452^{3}\\&=18289922^{3}+26224366^{3}\end{aligned}}} 1104: 201: 3524: 163:
obtained Ta(3) in 1957. E. Rosenstiel, J. A. Dardis and C. R. Rosenstiel found Ta(4) in 1989. J. A. Dardis found Ta(5) in 1994 and it was confirmed by David W. Wilson in 1999. Ta(6) was announced by Uwe Hollerbach on the NMBRTHRY mailing list on March 9, 2008, following a 2003 paper by Calude et al.
27: 3363: 3372: 116:, and remarked that the number seemed to be rather a dull one, and that I hoped it was not an unfavourable omen. "No," he replied, "it is a very interesting number; it is the smallest number expressible as the sum of two cubes in two different ways." 3244: 3377: 3249: 3519:{\displaystyle {\begin{aligned}1801049058342701083&=92227^{3}+1216500^{3}\\&=136635^{3}+1216102^{3}\\&=341995^{3}+1207602^{3}\\&=600259^{3}+1165884^{3}\end{aligned}}} 179:
has been introduced to allow for alternative, less restrictive definitions of this nature. In a sense, the specification of two summands and powers of three is also restrictive; a
3969: 148:, and their proof is easily converted into a program to generate such numbers. However, the proof makes no claims at all about whether the thus-generated numbers are 171:
to positive numbers is necessary, because allowing negative numbers allows for more (and smaller) instances of numbers that can be expressed as sums of cubes in
3533: 3780: 3585: 3367:
The smallest cubefree taxicab number with four representations was discovered by Stuart Gascoigne and independently by Duncan Moore in 2003:
3682: 129:, who published his observation in 1657. 1729 was made famous as the first taxicab number in the early 20th century by a story involving 3558: 164:
that gave a 99% probability that the number was actually Ta(6). Upper bounds for Ta(7) to Ta(12) were found by Christian Boyer in 2006.
3757: 3358:{\displaystyle {\begin{aligned}15170835645&=517^{3}+2468^{3}\\&=709^{3}+2456^{3}\\&=1733^{3}+2152^{3}\end{aligned}}} 3768: 3999: 3605: â€“ List of mathematical contexts in which exponentiated terms are summed, a list of related conjectures and theorems 4055: 126: 3702: 3579: 3564: 180: 160: 3235:
are cubefree taxicab numbers. The smallest cubefree taxicab number with three representations was discovered by
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NMBRTHRY Archives – March 2008 (#10) "The sixth taxicab number is 24153319581254312065344" by Uwe Hollerbach
4050: 3900: 3590: 3570: 3552: 3698: 3596: 130: 101: 30: 3722: 3679: 3189:, which means that it is not divisible by any cube other than 1. When a cubefree taxicab number 26: 37:) was bedridden when he developed the idea of taxicab numbers, according to an anecdote from 3890:. (Wilson was unaware of J. A. Dardis' prior discovery of Ta(5) in 1994 when he wrote this.) 3714: 3216: 3868: 3641: 3593: â€“ Four integers where the sum of the squares of three equals the square of the fourth 3865: 3686: 125:
The pairs of summands of the Hardy–Ramanujan number Ta(2) = 1729 were first mentioned by
4010: 3664: 3887: 3602: 176: 133:
in claiming it to be the smallest for his particular example of two summands. In 1938,
69: 20: 3793:"'New Upper Bounds for Taxicab and Cabtaxi Numbers" Christian Boyer, France, 2006–2008 3567: â€“ Smallest number expressable as the sum of j numbers to the kth power in n ways 16:
Smallest integer expressable as a sum of two positive integer cubes in n distinct ways
4044: 3546: 113: 94: 77: 3826:
The four least solutions in distinct positive integers of the Diophantine equations
3623: 138: 4033: 4029: 4025: 4006: 3660: 134: 97: 46: 38: 3872: 3236: 159:
The taxicab numbers subsequent to 1729 were found with the help of computers.
3779:
C. S. Calude, E. Calude and M. J. Dinneen: What is the value of Taxicab(6)?,
65:), is defined as the smallest integer that can be expressed as a sum of two 3792: 3186: 168: 3726: 3185:
A more restrictive taxicab problem requires that the taxicab number be
142: 3739:
Numbers Count column, Personal Computer World, page 234, November 1989
183:
allows for these values to be other than two and three, respectively.
109: 80:= Ta(2) = 1 + 12 = 9 + 10, also known as the Hardy-Ramanujan number. 3810:, 3rd ed., Oxford University Press, London & NY, 1954, Thm. 412. 3718: 2766:
73914858746493893996583617733225161086864012865017882136931801625152
4000:
A 2002 post to the Number Theory mailing list by Randall L. Rathbun
3748:
Numbers Count column of Personal Computer World, page 610, Feb 1995
3758:"The Fifth Taxicab Number is 48988659276962496" by David W. Wilson 25: 3555: â€“ Polynomial equation whose integer solutions are sought 3582: â€“ Diophantine equation attributed to Jacobi and Madden 3528: 108:
I remember once going to see him when he was lying ill at
3680:
Quotations by G. H. Hardy, MacTutor History of Mathematics
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2818537360434849382734382145310807703728251895897826621632
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For the following taxicab numbers upper bounds are known:
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and so it cannot be used to find the actual value of Ta(
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Pages displaying short descriptions of redirect targets
3239:(unpublished) in 1981 while he was a graduate student: 3903: 3375: 3247: 1102: 199: 19:
For number plates assigned to vehicles for hire, see
191:So far, the following 6 taxicab numbers are known: 3963: 3824:E. Rosenstiel, J. A. Dardis and C. R. Rosenstiel, 3518: 3357: 3170: 1079: 2013:7335345315241855602572782233444632535674275447104 76:distinct ways. The most famous taxicab number is 141:proved that such numbers exist for all positive 4012:1729: Taxi Cab Number or Hardy-Ramanujan Number 3666:1729: Taxi Cab Number or Hardy-Ramanujan Number 106: 3880:The Fifth Taxicab Number is 48988659276962496 3561: â€“ Disproved conjecture in number theory 8: 3981:C. S. Calude, E. Calude and M. J. Dinneen: 1686:136897813798023990395783317207361432493888 3902: 3506: 3493: 3473: 3460: 3440: 3427: 3407: 3394: 3376: 3374: 3345: 3332: 3312: 3299: 3279: 3266: 3248: 3246: 3158: 3145: 3125: 3112: 3092: 3079: 3059: 3046: 3026: 3013: 2993: 2980: 2960: 2947: 2927: 2914: 2894: 2881: 2861: 2848: 2828: 2815: 2795: 2782: 2732: 2719: 2699: 2686: 2666: 2653: 2633: 2620: 2600: 2587: 2567: 2554: 2534: 2521: 2501: 2488: 2468: 2455: 2435: 2422: 2402: 2389: 2339: 2326: 2306: 2293: 2273: 2260: 2240: 2227: 2207: 2194: 2174: 2161: 2141: 2128: 2108: 2095: 2075: 2062: 2042: 2029: 1979: 1966: 1946: 1933: 1913: 1900: 1880: 1867: 1847: 1834: 1814: 1801: 1781: 1768: 1748: 1735: 1715: 1702: 1652: 1639: 1619: 1606: 1586: 1573: 1553: 1540: 1520: 1507: 1487: 1474: 1454: 1441: 1421: 1408: 1358: 1345: 1325: 1312: 1292: 1279: 1259: 1246: 1226: 1213: 1193: 1180: 1160: 1147: 1103: 1101: 1067: 1054: 1034: 1021: 1001: 988: 968: 955: 935: 922: 902: 889: 839: 826: 806: 793: 773: 760: 740: 727: 707: 694: 644: 631: 611: 598: 578: 565: 545: 532: 482: 469: 449: 436: 416: 403: 353: 340: 320: 307: 257: 244: 200: 198: 3808:An Introduction to the Theory of Numbers 83:The name is derived from a conversation 3815:Some Solutions of Diophantine Equations 3615: 3987:Journal of Universal Computer Science 3781:Journal of Universal Computer Science 7: 3964:{\displaystyle p(a)+q(b)=r(c)+s(d)} 1392:50974398750539071400590819921724352 3989:, Vol. 9 (2003), p. 1196–1203 14: 175:distinct ways. The concept of a 4020:Taxicab and other maths at Euler 3983:What is the value of Taxicab(6)? 3703:"Taxicabs and sums of two cubes" 3599: â€“ Problem in number theory 3559:Euler's sum of powers conjecture 1090:Upper bounds for taxicab numbers 3573: â€“ Mathematical conjecture 112:. I had ridden in taxi-cab No. 3958: 3952: 3943: 3937: 3928: 3922: 3913: 3907: 3806:G. H. Hardy and E. M. Wright, 3783:, Vol. 9 (2003), pp. 1196–1203 3549: â€“ Hardy-Ramanujan number 2754: 2748: 2361: 2355: 2001: 1995: 1674: 1668: 1380: 1374: 1119: 1113: 861: 855: 666: 660: 504: 498: 375: 369: 279: 273: 216: 210: 1: 4034:"Taxicab Numbers in Futurama" 4005:Grime, James; Bowley, Roger. 3659:Grime, James; Bowley, Roger. 1131:24885189317885898975235988544 3884:Journal of Integer Sequences 3586:Prouhet–Tarry–Escott problem 3219:. Among the taxicab numbers 4072: 3976:Mathematics of Computation 3565:Generalized taxicab number 181:generalized taxicab number 18: 3895:Enumerating solutions to 127:Bernard FrĂ©nicle de Bessy 3978:70, 233 (2000), 389–394. 3642:"Hardy-Ramanujan Number" 3181:Cubefree taxicab numbers 3862:Bull. Inst. Math. Appl. 3143:41967142660804626363462 3110:41965889731136229476526 3077:41965847682542813143520 3044:41960331491058948071104 3011:41950587346428151112631 2978:41912636072508031936196 2958:12368620118962768690237 2945:41606042841774323117699 2925:19954364747606595397546 2912:40406173326689071107206 2892:23546015462514532868036 2879:39334962370186291117816 2859:25396279094031028611792 2846:38605041855000884540004 2826:26554012859002979271194 2813:38073544107142749077782 2793:32696492119028498124676 2780:33900611529512547910376 873:24153319581254312065344 167:The restriction of the 57:, typically denoted Ta( 3965: 3819:Proc. Camb. Phil. Soc. 3580:Jacobi–Madden equation 3520: 3359: 3172: 3123:1933097542618122241026 3090:1952714722754103222628 3057:3319755565063005505892 3024:4448684321573910266121 2991:6605593881249149024056 1081: 121:History and definition 118: 42: 3966: 3591:Pythagorean quadruple 3521: 3360: 3173: 3156:845205202844653597674 1082: 187:Known taxicab numbers 150:the smallest possible 29: 3901: 3864:, 27(1991) 155–157; 3699:Silverman, Joseph H. 3553:Diophantine equation 3373: 3245: 2717:14125594971660931122 2684:14125159098802697120 2651:14123302420417013824 2618:14120022667932733461 2585:14107248762203982476 2552:14004053464077523769 2519:13600192974314732786 2486:13239637283805550696 2453:12993955521710159724 2420:12815060285137243042 2400:11005214445987377356 2387:11410505395325664056 1100: 197: 104:. As told by Hardy: 4056:Srinivasa Ramanujan 3707:Amer. Math. Monthly 3597:Sums of three cubes 3381:1801049058342701083 3227:listed above, only 2664:1117386592077753452 2631:1497369344185092651 2598:2223357078845220136 2565:4163116835733008647 2532:6716379921779399326 2499:7925282888762885516 2466:8548057588027946352 2433:8937735731741157614 131:Srinivasa Ramanujan 102:Srinivasa Ramanujan 31:Srinivasa Ramanujan 3961: 3821:53, 778–780, 1957. 3685:2012-07-16 at the 3516: 3514: 3355: 3353: 3168: 3166: 2730:284485090153030494 2697:657258405504578668 1077: 1075: 43: 3893:D. J. Bernstein, 3886:, Vol. 2 (1999), 3878:David W. Wilson, 3646:Wolfram Mathworld 3628:Wolfram Mathworld 3571:Beal's conjecture 2764: 2371: 2324:19429979328281886 2291:19429379778270560 2258:19426825887781312 2225:19422314536358643 2192:19404743826965588 2159:19262797062004847 2139:10901351979041108 2126:18211330514175448 2106:11757988429199376 2093:17873391364113012 2073:12293996879974082 2060:17627318136364846 2040:15137846555691028 2027:15695330667573128 2011: 1684: 1390: 1129: 871: 678:48988659276962496 676: 514: 385: 289: 226: 4063: 4037: 4016: 3972: 3970: 3968: 3967: 3962: 3795: 3790: 3784: 3777: 3771: 3766: 3760: 3755: 3749: 3746: 3740: 3737: 3731: 3730: 3695: 3689: 3677: 3671: 3670: 3656: 3650: 3649: 3638: 3632: 3631: 3624:"Taxicab Number" 3620: 3576: 3531: 3525: 3523: 3522: 3517: 3515: 3511: 3510: 3498: 3497: 3482: 3478: 3477: 3465: 3464: 3449: 3445: 3444: 3432: 3431: 3416: 3412: 3411: 3399: 3398: 3364: 3362: 3361: 3356: 3354: 3350: 3349: 3337: 3336: 3321: 3317: 3316: 3304: 3303: 3288: 3284: 3283: 3271: 3270: 3234: 3230: 3226: 3217:relatively prime 3214: 3210: 3206: 3192: 3177: 3175: 3174: 3169: 3167: 3163: 3162: 3150: 3149: 3134: 3130: 3129: 3117: 3116: 3101: 3097: 3096: 3084: 3083: 3068: 3064: 3063: 3051: 3050: 3035: 3031: 3030: 3018: 3017: 3002: 2998: 2997: 2985: 2984: 2969: 2965: 2964: 2952: 2951: 2936: 2932: 2931: 2919: 2918: 2903: 2899: 2898: 2886: 2885: 2870: 2866: 2865: 2853: 2852: 2837: 2833: 2832: 2820: 2819: 2804: 2800: 2799: 2787: 2786: 2771: 2762: 2737: 2736: 2724: 2723: 2708: 2704: 2703: 2691: 2690: 2675: 2671: 2670: 2658: 2657: 2642: 2638: 2637: 2625: 2624: 2609: 2605: 2604: 2592: 2591: 2576: 2572: 2571: 2559: 2558: 2543: 2539: 2538: 2526: 2525: 2510: 2506: 2505: 2493: 2492: 2477: 2473: 2472: 2460: 2459: 2444: 2440: 2439: 2427: 2426: 2411: 2407: 2406: 2394: 2393: 2378: 2369: 2344: 2343: 2331: 2330: 2315: 2311: 2310: 2298: 2297: 2282: 2278: 2277: 2271:1536982932706676 2265: 2264: 2249: 2245: 2244: 2238:2059655218961613 2232: 2231: 2216: 2212: 2211: 2205:3058262831974168 2199: 2198: 2183: 2179: 2178: 2172:5726433061530961 2166: 2165: 2150: 2146: 2145: 2133: 2132: 2117: 2113: 2112: 2100: 2099: 2084: 2080: 2079: 2067: 2066: 2051: 2047: 2046: 2034: 2033: 2018: 2009: 1984: 1983: 1971: 1970: 1955: 1951: 1950: 1938: 1937: 1922: 1918: 1917: 1905: 1904: 1889: 1885: 1884: 1872: 1871: 1856: 1852: 1851: 1839: 1838: 1823: 1819: 1818: 1806: 1805: 1790: 1786: 1785: 1773: 1772: 1757: 1753: 1752: 1740: 1739: 1724: 1720: 1719: 1707: 1706: 1691: 1682: 1657: 1656: 1644: 1643: 1628: 1624: 1623: 1611: 1610: 1595: 1591: 1590: 1578: 1577: 1562: 1558: 1557: 1545: 1544: 1529: 1525: 1524: 1512: 1511: 1496: 1492: 1491: 1479: 1478: 1463: 1459: 1458: 1446: 1445: 1430: 1426: 1425: 1413: 1412: 1397: 1388: 1363: 1362: 1350: 1349: 1334: 1330: 1329: 1317: 1316: 1301: 1297: 1296: 1284: 1283: 1268: 1264: 1263: 1251: 1250: 1235: 1231: 1230: 1218: 1217: 1202: 1198: 1197: 1185: 1184: 1169: 1165: 1164: 1152: 1151: 1136: 1127: 1086: 1084: 1083: 1078: 1076: 1072: 1071: 1059: 1058: 1043: 1039: 1038: 1026: 1025: 1010: 1006: 1005: 993: 992: 977: 973: 972: 960: 959: 944: 940: 939: 927: 926: 911: 907: 906: 894: 893: 878: 869: 844: 843: 831: 830: 815: 811: 810: 798: 797: 782: 778: 777: 765: 764: 749: 745: 744: 732: 731: 716: 712: 711: 699: 698: 683: 674: 649: 648: 636: 635: 620: 616: 615: 603: 602: 587: 583: 582: 570: 569: 554: 550: 549: 537: 536: 521: 512: 487: 486: 474: 473: 458: 454: 453: 441: 440: 425: 421: 420: 408: 407: 392: 383: 358: 357: 345: 344: 329: 325: 324: 312: 311: 296: 287: 262: 261: 249: 248: 233: 224: 92: 90: 4071: 4070: 4066: 4065: 4064: 4062: 4061: 4060: 4041: 4040: 4024: 4004: 3996: 3899: 3898: 3896: 3803: 3798: 3791: 3787: 3778: 3774: 3767: 3763: 3756: 3752: 3747: 3743: 3738: 3734: 3719:10.2307/2324954 3697: 3696: 3692: 3687:Wayback Machine 3678: 3674: 3658: 3657: 3653: 3640: 3639: 3635: 3622: 3621: 3617: 3613: 3608: 3574: 3542: 3527: 3513: 3512: 3502: 3489: 3480: 3479: 3469: 3456: 3447: 3446: 3436: 3423: 3414: 3413: 3403: 3390: 3383: 3371: 3370: 3352: 3351: 3341: 3328: 3319: 3318: 3308: 3295: 3286: 3285: 3275: 3262: 3255: 3243: 3242: 3232: 3228: 3220: 3212: 3208: 3194: 3190: 3183: 3165: 3164: 3154: 3141: 3132: 3131: 3121: 3108: 3099: 3098: 3088: 3075: 3066: 3065: 3055: 3042: 3033: 3032: 3022: 3009: 3000: 2999: 2989: 2976: 2967: 2966: 2956: 2943: 2934: 2933: 2923: 2910: 2901: 2900: 2890: 2877: 2868: 2867: 2857: 2844: 2835: 2834: 2824: 2811: 2802: 2801: 2791: 2778: 2769: 2768: 2760: 2739: 2738: 2728: 2715: 2706: 2705: 2695: 2682: 2673: 2672: 2662: 2649: 2640: 2639: 2629: 2616: 2607: 2606: 2596: 2583: 2574: 2573: 2563: 2550: 2541: 2540: 2530: 2517: 2508: 2507: 2497: 2484: 2475: 2474: 2464: 2451: 2442: 2441: 2431: 2418: 2409: 2408: 2398: 2385: 2376: 2375: 2367: 2346: 2345: 2337:391313741613522 2335: 2322: 2313: 2312: 2304:904069333568884 2302: 2289: 2280: 2279: 2269: 2256: 2247: 2246: 2236: 2223: 2214: 2213: 2203: 2190: 2181: 2180: 2170: 2157: 2148: 2147: 2137: 2124: 2115: 2114: 2104: 2091: 2082: 2081: 2071: 2058: 2049: 2048: 2038: 2025: 2016: 2015: 2007: 1986: 1985: 1975: 1962: 1953: 1952: 1942: 1929: 1920: 1919: 1909: 1896: 1887: 1886: 1876: 1863: 1854: 1853: 1843: 1830: 1821: 1820: 1810: 1797: 1788: 1787: 1777: 1764: 1755: 1754: 1744: 1731: 1722: 1721: 1711: 1698: 1689: 1688: 1680: 1659: 1658: 1648: 1635: 1626: 1625: 1615: 1602: 1593: 1592: 1582: 1569: 1560: 1559: 1549: 1536: 1527: 1526: 1516: 1503: 1494: 1493: 1483: 1470: 1461: 1460: 1450: 1437: 1428: 1427: 1417: 1404: 1395: 1394: 1386: 1365: 1364: 1354: 1341: 1332: 1331: 1321: 1308: 1299: 1298: 1288: 1275: 1266: 1265: 1255: 1242: 1233: 1232: 1222: 1209: 1200: 1199: 1189: 1176: 1167: 1166: 1156: 1143: 1134: 1133: 1125: 1098: 1097: 1092: 1074: 1073: 1063: 1050: 1041: 1040: 1030: 1017: 1008: 1007: 997: 984: 975: 974: 964: 951: 942: 941: 931: 918: 909: 908: 898: 885: 876: 875: 867: 846: 845: 835: 822: 813: 812: 802: 789: 780: 779: 769: 756: 747: 746: 736: 723: 714: 713: 703: 690: 681: 680: 672: 651: 650: 640: 627: 618: 617: 607: 594: 585: 584: 574: 561: 552: 551: 541: 528: 519: 518: 510: 489: 488: 478: 465: 456: 455: 445: 432: 423: 422: 412: 399: 390: 389: 381: 360: 359: 349: 336: 327: 326: 316: 303: 294: 293: 285: 264: 263: 253: 240: 231: 230: 222: 195: 194: 189: 123: 88: 84: 24: 17: 12: 11: 5: 4069: 4067: 4059: 4058: 4053: 4043: 4042: 4039: 4038: 4036:. Numberphile. 4022: 4017: 4015:. Numberphile. 4002: 3995: 3994:External links 3992: 3991: 3990: 3979: 3960: 3957: 3954: 3951: 3948: 3945: 3942: 3939: 3936: 3933: 3930: 3927: 3924: 3921: 3918: 3915: 3912: 3909: 3906: 3891: 3876: 3822: 3811: 3802: 3799: 3797: 3796: 3785: 3772: 3761: 3750: 3741: 3732: 3713:(4): 331–340. 3690: 3672: 3669:. Numberphile. 3651: 3633: 3614: 3612: 3609: 3607: 3606: 3603:Sums of powers 3600: 3594: 3588: 3583: 3577: 3568: 3562: 3556: 3550: 3543: 3541: 3538: 3509: 3505: 3501: 3496: 3492: 3488: 3485: 3483: 3481: 3476: 3472: 3468: 3463: 3459: 3455: 3452: 3450: 3448: 3443: 3439: 3435: 3430: 3426: 3422: 3419: 3417: 3415: 3410: 3406: 3402: 3397: 3393: 3389: 3386: 3384: 3382: 3379: 3378: 3348: 3344: 3340: 3335: 3331: 3327: 3324: 3322: 3320: 3315: 3311: 3307: 3302: 3298: 3294: 3291: 3289: 3287: 3282: 3278: 3274: 3269: 3265: 3261: 3258: 3256: 3254: 3251: 3250: 3207:, the numbers 3193:is written as 3182: 3179: 3161: 3157: 3153: 3148: 3144: 3140: 3137: 3135: 3133: 3128: 3124: 3120: 3115: 3111: 3107: 3104: 3102: 3100: 3095: 3091: 3087: 3082: 3078: 3074: 3071: 3069: 3067: 3062: 3058: 3054: 3049: 3045: 3041: 3038: 3036: 3034: 3029: 3025: 3021: 3016: 3012: 3008: 3005: 3003: 3001: 2996: 2992: 2988: 2983: 2979: 2975: 2972: 2970: 2968: 2963: 2959: 2955: 2950: 2946: 2942: 2939: 2937: 2935: 2930: 2926: 2922: 2917: 2913: 2909: 2906: 2904: 2902: 2897: 2893: 2889: 2884: 2880: 2876: 2873: 2871: 2869: 2864: 2860: 2856: 2851: 2847: 2843: 2840: 2838: 2836: 2831: 2827: 2823: 2818: 2814: 2810: 2807: 2805: 2803: 2798: 2794: 2790: 2785: 2781: 2777: 2774: 2772: 2770: 2767: 2761: 2759: 2756: 2753: 2750: 2747: 2744: 2741: 2740: 2735: 2731: 2727: 2722: 2718: 2714: 2711: 2709: 2707: 2702: 2698: 2694: 2689: 2685: 2681: 2678: 2676: 2674: 2669: 2665: 2661: 2656: 2652: 2648: 2645: 2643: 2641: 2636: 2632: 2628: 2623: 2619: 2615: 2612: 2610: 2608: 2603: 2599: 2595: 2590: 2586: 2582: 2579: 2577: 2575: 2570: 2566: 2562: 2557: 2553: 2549: 2546: 2544: 2542: 2537: 2533: 2529: 2524: 2520: 2516: 2513: 2511: 2509: 2504: 2500: 2496: 2491: 2487: 2483: 2480: 2478: 2476: 2471: 2467: 2463: 2458: 2454: 2450: 2447: 2445: 2443: 2438: 2434: 2430: 2425: 2421: 2417: 2414: 2412: 2410: 2405: 2401: 2397: 2392: 2388: 2384: 2381: 2379: 2377: 2374: 2368: 2366: 2363: 2360: 2357: 2354: 2351: 2348: 2347: 2342: 2338: 2334: 2329: 2325: 2321: 2318: 2316: 2314: 2309: 2305: 2301: 2296: 2292: 2288: 2285: 2283: 2281: 2276: 2272: 2268: 2263: 2259: 2255: 2252: 2250: 2248: 2243: 2239: 2235: 2230: 2226: 2222: 2219: 2217: 2215: 2210: 2206: 2202: 2197: 2193: 2189: 2186: 2184: 2182: 2177: 2173: 2169: 2164: 2160: 2156: 2153: 2151: 2149: 2144: 2140: 2136: 2131: 2127: 2123: 2120: 2118: 2116: 2111: 2107: 2103: 2098: 2094: 2090: 2087: 2085: 2083: 2078: 2074: 2070: 2065: 2061: 2057: 2054: 2052: 2050: 2045: 2041: 2037: 2032: 2028: 2024: 2021: 2019: 2017: 2014: 2008: 2006: 2003: 2000: 1997: 1994: 1991: 1988: 1987: 1982: 1978: 1974: 1969: 1965: 1964:51538406706318 1961: 1958: 1956: 1954: 1949: 1945: 1941: 1936: 1932: 1931:51530042142656 1928: 1925: 1923: 1921: 1916: 1912: 1908: 1903: 1899: 1898:51518075693259 1895: 1892: 1890: 1888: 1883: 1879: 1875: 1870: 1866: 1865:51471469037044 1862: 1859: 1857: 1855: 1850: 1846: 1845:15189477616793 1842: 1837: 1833: 1832:51094952419111 1829: 1826: 1824: 1822: 1817: 1813: 1812:28916052994804 1809: 1804: 1800: 1799:48305916483224 1796: 1793: 1791: 1789: 1784: 1780: 1779:31188298220688 1776: 1771: 1767: 1766:47409526164756 1763: 1760: 1758: 1756: 1751: 1747: 1746:32610071299666 1743: 1738: 1734: 1733:46756812032798 1730: 1727: 1725: 1723: 1718: 1714: 1713:40153439139764 1710: 1705: 1701: 1700:41632176837064 1697: 1694: 1692: 1690: 1687: 1681: 1679: 1676: 1673: 1670: 1667: 1664: 1661: 1660: 1655: 1651: 1647: 1642: 1638: 1634: 1631: 1629: 1627: 1622: 1618: 1614: 1609: 1605: 1601: 1598: 1596: 1594: 1589: 1585: 1581: 1576: 1572: 1568: 1565: 1563: 1561: 1556: 1552: 1548: 1543: 1539: 1535: 1532: 1530: 1528: 1523: 1519: 1515: 1510: 1506: 1502: 1499: 1497: 1495: 1490: 1486: 1482: 1477: 1473: 1469: 1466: 1464: 1462: 1457: 1453: 1449: 1444: 1440: 1436: 1433: 1431: 1429: 1424: 1420: 1416: 1411: 1407: 1403: 1400: 1398: 1396: 1393: 1387: 1385: 1382: 1379: 1376: 1373: 1370: 1367: 1366: 1361: 1357: 1353: 1348: 1344: 1340: 1337: 1335: 1333: 1328: 1324: 1320: 1315: 1311: 1307: 1304: 1302: 1300: 1295: 1291: 1287: 1282: 1278: 1274: 1271: 1269: 1267: 1262: 1258: 1254: 1249: 1245: 1241: 1238: 1236: 1234: 1229: 1225: 1221: 1216: 1212: 1208: 1205: 1203: 1201: 1196: 1192: 1188: 1183: 1179: 1175: 1172: 1170: 1168: 1163: 1159: 1155: 1150: 1146: 1142: 1139: 1137: 1135: 1132: 1126: 1124: 1121: 1118: 1115: 1112: 1109: 1106: 1105: 1091: 1088: 1070: 1066: 1062: 1057: 1053: 1049: 1046: 1044: 1042: 1037: 1033: 1029: 1024: 1020: 1016: 1013: 1011: 1009: 1004: 1000: 996: 991: 987: 983: 980: 978: 976: 971: 967: 963: 958: 954: 950: 947: 945: 943: 938: 934: 930: 925: 921: 917: 914: 912: 910: 905: 901: 897: 892: 888: 884: 881: 879: 877: 874: 868: 866: 863: 860: 857: 854: 851: 848: 847: 842: 838: 834: 829: 825: 821: 818: 816: 814: 809: 805: 801: 796: 792: 788: 785: 783: 781: 776: 772: 768: 763: 759: 755: 752: 750: 748: 743: 739: 735: 730: 726: 722: 719: 717: 715: 710: 706: 702: 697: 693: 689: 686: 684: 682: 679: 673: 671: 668: 665: 662: 659: 656: 653: 652: 647: 643: 639: 634: 630: 626: 623: 621: 619: 614: 610: 606: 601: 597: 593: 590: 588: 586: 581: 577: 573: 568: 564: 560: 557: 555: 553: 548: 544: 540: 535: 531: 527: 524: 522: 520: 517: 511: 509: 506: 503: 500: 497: 494: 491: 490: 485: 481: 477: 472: 468: 464: 461: 459: 457: 452: 448: 444: 439: 435: 431: 428: 426: 424: 419: 415: 411: 406: 402: 398: 395: 393: 391: 388: 382: 380: 377: 374: 371: 368: 365: 362: 361: 356: 352: 348: 343: 339: 335: 332: 330: 328: 323: 319: 315: 310: 306: 302: 299: 297: 295: 292: 286: 284: 281: 278: 275: 272: 269: 266: 265: 260: 256: 252: 247: 243: 239: 236: 234: 232: 229: 223: 221: 218: 215: 212: 209: 206: 203: 202: 188: 185: 177:cabtaxi number 122: 119: 95:mathematicians 55:taxicab number 21:Taxi medallion 15: 13: 10: 9: 6: 4: 3: 2: 4068: 4057: 4054: 4052: 4051:Number theory 4049: 4048: 4046: 4035: 4031: 4027: 4023: 4021: 4018: 4014: 4013: 4008: 4003: 4001: 3998: 3997: 3993: 3988: 3984: 3980: 3977: 3973: 3955: 3949: 3946: 3940: 3934: 3931: 3925: 3919: 3916: 3910: 3904: 3892: 3889: 3885: 3881: 3877: 3874: 3870: 3867: 3863: 3859: 3855: 3851: 3847: 3843: 3839: 3835: 3831: 3827: 3823: 3820: 3816: 3812: 3809: 3805: 3804: 3800: 3794: 3789: 3786: 3782: 3776: 3773: 3770: 3765: 3762: 3759: 3754: 3751: 3745: 3742: 3736: 3733: 3728: 3724: 3720: 3716: 3712: 3708: 3704: 3700: 3694: 3691: 3688: 3684: 3681: 3676: 3673: 3668: 3667: 3662: 3655: 3652: 3647: 3643: 3637: 3634: 3629: 3625: 3619: 3616: 3610: 3604: 3601: 3598: 3595: 3592: 3589: 3587: 3584: 3581: 3578: 3572: 3569: 3566: 3563: 3560: 3557: 3554: 3551: 3548: 3547:1729 (number) 3545: 3544: 3539: 3537: 3535: 3530: 3507: 3503: 3499: 3494: 3490: 3486: 3484: 3474: 3470: 3466: 3461: 3457: 3453: 3451: 3441: 3437: 3433: 3428: 3424: 3420: 3418: 3408: 3404: 3400: 3395: 3391: 3387: 3385: 3380: 3368: 3365: 3346: 3342: 3338: 3333: 3329: 3325: 3323: 3313: 3309: 3305: 3300: 3296: 3292: 3290: 3280: 3276: 3272: 3267: 3263: 3259: 3257: 3252: 3240: 3238: 3224: 3218: 3205: 3201: 3197: 3188: 3180: 3178: 3159: 3155: 3151: 3146: 3142: 3138: 3136: 3126: 3122: 3118: 3113: 3109: 3105: 3103: 3093: 3089: 3085: 3080: 3076: 3072: 3070: 3060: 3056: 3052: 3047: 3043: 3039: 3037: 3027: 3023: 3019: 3014: 3010: 3006: 3004: 2994: 2990: 2986: 2981: 2977: 2973: 2971: 2961: 2957: 2953: 2948: 2944: 2940: 2938: 2928: 2924: 2920: 2915: 2911: 2907: 2905: 2895: 2891: 2887: 2882: 2878: 2874: 2872: 2862: 2858: 2854: 2849: 2845: 2841: 2839: 2829: 2825: 2821: 2816: 2812: 2808: 2806: 2796: 2792: 2788: 2783: 2779: 2775: 2773: 2765: 2757: 2751: 2745: 2742: 2733: 2729: 2725: 2720: 2716: 2712: 2710: 2700: 2696: 2692: 2687: 2683: 2679: 2677: 2667: 2663: 2659: 2654: 2650: 2646: 2644: 2634: 2630: 2626: 2621: 2617: 2613: 2611: 2601: 2597: 2593: 2588: 2584: 2580: 2578: 2568: 2564: 2560: 2555: 2551: 2547: 2545: 2535: 2531: 2527: 2522: 2518: 2514: 2512: 2502: 2498: 2494: 2489: 2485: 2481: 2479: 2469: 2465: 2461: 2456: 2452: 2448: 2446: 2436: 2432: 2428: 2423: 2419: 2415: 2413: 2403: 2399: 2395: 2390: 2386: 2382: 2380: 2372: 2364: 2358: 2352: 2349: 2340: 2336: 2332: 2327: 2323: 2319: 2317: 2307: 2303: 2299: 2294: 2290: 2286: 2284: 2274: 2270: 2266: 2261: 2257: 2253: 2251: 2241: 2237: 2233: 2228: 2224: 2220: 2218: 2208: 2204: 2200: 2195: 2191: 2187: 2185: 2175: 2171: 2167: 2162: 2158: 2154: 2152: 2142: 2138: 2134: 2129: 2125: 2121: 2119: 2109: 2105: 2101: 2096: 2092: 2088: 2086: 2076: 2072: 2068: 2063: 2059: 2055: 2053: 2043: 2039: 2035: 2030: 2026: 2022: 2020: 2012: 2004: 1998: 1992: 1989: 1980: 1977:1037967484386 1976: 1972: 1967: 1963: 1959: 1957: 1947: 1944:4076877805588 1943: 1939: 1934: 1930: 1926: 1924: 1914: 1911:5463276442869 1910: 1906: 1901: 1897: 1893: 1891: 1881: 1878:8112103002584 1877: 1873: 1868: 1864: 1860: 1858: 1848: 1844: 1840: 1835: 1831: 1827: 1825: 1815: 1811: 1807: 1802: 1798: 1794: 1792: 1782: 1778: 1774: 1769: 1765: 1761: 1759: 1749: 1745: 1741: 1736: 1732: 1728: 1726: 1716: 1712: 1708: 1703: 1699: 1695: 1693: 1685: 1677: 1671: 1665: 1662: 1653: 1649: 1645: 1640: 1636: 1632: 1630: 1620: 1616: 1612: 1607: 1603: 1599: 1597: 1587: 1583: 1579: 1574: 1570: 1566: 1564: 1554: 1550: 1546: 1541: 1537: 1533: 1531: 1521: 1517: 1513: 1508: 1504: 1500: 1498: 1488: 1484: 1480: 1475: 1471: 1467: 1465: 1455: 1451: 1447: 1442: 1438: 1434: 1432: 1422: 1418: 1414: 1409: 1405: 1401: 1399: 1391: 1383: 1377: 1371: 1368: 1359: 1355: 1351: 1346: 1342: 1338: 1336: 1326: 1322: 1318: 1313: 1309: 1305: 1303: 1293: 1289: 1285: 1280: 1276: 1272: 1270: 1260: 1256: 1252: 1247: 1243: 1239: 1237: 1227: 1223: 1219: 1214: 1210: 1206: 1204: 1194: 1190: 1186: 1181: 1177: 1173: 1171: 1161: 1157: 1153: 1148: 1144: 1140: 1138: 1130: 1122: 1116: 1110: 1107: 1095: 1089: 1087: 1068: 1064: 1060: 1055: 1051: 1047: 1045: 1035: 1031: 1027: 1022: 1018: 1014: 1012: 1002: 998: 994: 989: 985: 981: 979: 969: 965: 961: 956: 952: 948: 946: 936: 932: 928: 923: 919: 915: 913: 903: 899: 895: 890: 886: 882: 880: 872: 864: 858: 852: 849: 840: 836: 832: 827: 823: 819: 817: 807: 803: 799: 794: 790: 786: 784: 774: 770: 766: 761: 757: 753: 751: 741: 737: 733: 728: 724: 720: 718: 708: 704: 700: 695: 691: 687: 685: 677: 669: 663: 657: 654: 645: 641: 637: 632: 628: 624: 622: 612: 608: 604: 599: 595: 591: 589: 579: 575: 571: 566: 562: 558: 556: 546: 542: 538: 533: 529: 525: 523: 516:6963472309248 515: 507: 501: 495: 492: 483: 479: 475: 470: 466: 462: 460: 450: 446: 442: 437: 433: 429: 427: 417: 413: 409: 404: 400: 396: 394: 386: 378: 372: 366: 363: 354: 350: 346: 341: 337: 333: 331: 321: 317: 313: 308: 304: 300: 298: 290: 282: 276: 270: 267: 258: 254: 250: 245: 241: 237: 235: 227: 219: 213: 207: 204: 192: 186: 184: 182: 178: 174: 170: 165: 162: 157: 155: 151: 147: 144: 140: 136: 132: 128: 120: 117: 115: 111: 105: 103: 99: 96: 87: 81: 79: 75: 71: 70:integer cubes 68: 64: 61:) or Taxicab( 60: 56: 52: 48: 40: 36: 32: 28: 22: 4030:Haran, Brady 4026:Singh, Simon 4011: 4007:Haran, Brady 3986: 3982: 3975: 3894: 3883: 3879: 3861: 3857: 3853: 3849: 3845: 3841: 3837: 3833: 3829: 3825: 3818: 3814: 3807: 3788: 3775: 3764: 3753: 3744: 3735: 3710: 3706: 3693: 3675: 3665: 3661:Haran, Brady 3654: 3645: 3636: 3627: 3618: 3369: 3366: 3241: 3222: 3203: 3199: 3195: 3184: 1637:370779904362 1604:370633638081 1571:370298338396 1551:109276817387 1538:367589585749 1518:208029158236 1505:347524579016 1485:224376246192 1472:341075727804 1452:234604829494 1439:336379942682 1419:288873662876 1406:299512063576 1096: 1093: 193: 190: 172: 166: 158: 153: 149: 145: 139:E. M. Wright 124: 107: 85: 82: 73: 66: 62: 58: 54: 50: 44: 34: 3253:15170835645 1617:39304147071 1584:58360453256 135:G. H. Hardy 98:G. H. Hardy 47:mathematics 39:G. H. Hardy 4045:Categories 3813:J. Leech, 3801:References 3526:(sequence 3237:Paul Vojta 1650:7467391974 1343:2919526806 1310:2918375103 1277:2915734948 1244:2894406187 1224:1638024868 1211:2736414008 1191:1766742096 1178:2685635652 1158:1847282122 1145:2648660966 161:John Leech 93:involving 2758:≤ 2746:⁡ 2365:≤ 2353:⁡ 2005:≤ 1993:⁡ 1678:≤ 1666:⁡ 1384:≤ 1372:⁡ 1323:309481473 1290:459531128 1257:860447381 1123:≤ 1111:⁡ 853:⁡ 658:⁡ 496:⁡ 367:⁡ 271:⁡ 208:⁡ 3701:(1993). 3683:Archived 3540:See also 3215:must be 3187:cubefree 1356:58798362 1065:26224366 1052:18289922 1032:26590452 1019:17492496 999:27093208 986:16218068 966:28657487 933:28894803 900:28906206 387:87539319 169:summands 143:integers 67:positive 4032:(ed.). 4009:(ed.). 3971:⁠ 3897:⁠ 3869:1125858 3727:2324954 3663:(ed.). 3532:in the 3529:A080642 3504:1165884 3471:1207602 3438:1216102 3405:1216500 953:8519281 920:3064173 89:  35:picture 3888:online 3873:online 3725:  3491:600259 3458:341995 3425:136635 2763:  2370:  2010:  1683:  1389:  1128:  887:582162 870:  837:331954 824:231518 804:336588 791:221424 771:342952 758:205292 738:362753 725:107839 705:365757 675:  513:  384:  288:  225:  110:Putney 49:, the 3723:JSTOR 3611:Notes 3392:92227 3233:Ta(2) 3229:Ta(1) 692:38787 642:16630 629:13322 609:18072 596:10200 576:18948 543:19083 3534:OEIS 3343:2152 3330:1733 3310:2456 3277:2468 3231:and 3211:and 563:5436 530:2421 291:1729 137:and 114:1729 100:and 91:1919 78:1729 3860:, 3715:doi 3711:100 3536:). 3297:709 3264:517 3221:Ta( 480:414 467:255 447:423 434:228 414:436 401:167 156:). 86:ca. 72:in 53:th 45:In 4047:: 4028:. 3974:, 3882:, 3871:, 3866:MR 3856:+ 3852:= 3848:+ 3844:= 3840:+ 3836:= 3832:+ 3828:= 3817:, 3721:. 3709:. 3705:. 3644:. 3626:. 3202:+ 3198:= 2752:12 2743:Ta 2359:11 2350:Ta 1999:10 1990:Ta 1663:Ta 1369:Ta 1108:Ta 850:Ta 655:Ta 493:Ta 364:Ta 351:10 318:12 268:Ta 205:Ta 3985:, 3959:) 3956:d 3953:( 3950:s 3947:+ 3944:) 3941:c 3938:( 3935:r 3932:= 3929:) 3926:b 3923:( 3920:q 3917:+ 3914:) 3911:a 3908:( 3905:p 3875:. 3858:n 3854:m 3850:v 3846:u 3842:w 3838:z 3834:y 3830:x 3729:. 3717:: 3648:. 3630:. 3508:3 3500:+ 3495:3 3487:= 3475:3 3467:+ 3462:3 3454:= 3442:3 3434:+ 3429:3 3421:= 3409:3 3401:+ 3396:3 3388:= 3347:3 3339:+ 3334:3 3326:= 3314:3 3306:+ 3301:3 3293:= 3281:3 3273:+ 3268:3 3260:= 3225:) 3223:n 3213:y 3209:x 3204:y 3200:x 3196:T 3191:T 3160:3 3152:+ 3147:3 3139:= 3127:3 3119:+ 3114:3 3106:= 3094:3 3086:+ 3081:3 3073:= 3061:3 3053:+ 3048:3 3040:= 3028:3 3020:+ 3015:3 3007:= 2995:3 2987:+ 2982:3 2974:= 2962:3 2954:+ 2949:3 2941:= 2929:3 2921:+ 2916:3 2908:= 2896:3 2888:+ 2883:3 2875:= 2863:3 2855:+ 2850:3 2842:= 2830:3 2822:+ 2817:3 2809:= 2797:3 2789:+ 2784:3 2776:= 2755:) 2749:( 2734:3 2726:+ 2721:3 2713:= 2701:3 2693:+ 2688:3 2680:= 2668:3 2660:+ 2655:3 2647:= 2635:3 2627:+ 2622:3 2614:= 2602:3 2594:+ 2589:3 2581:= 2569:3 2561:+ 2556:3 2548:= 2536:3 2528:+ 2523:3 2515:= 2503:3 2495:+ 2490:3 2482:= 2470:3 2462:+ 2457:3 2449:= 2437:3 2429:+ 2424:3 2416:= 2404:3 2396:+ 2391:3 2383:= 2362:) 2356:( 2341:3 2333:+ 2328:3 2320:= 2308:3 2300:+ 2295:3 2287:= 2275:3 2267:+ 2262:3 2254:= 2242:3 2234:+ 2229:3 2221:= 2209:3 2201:+ 2196:3 2188:= 2176:3 2168:+ 2163:3 2155:= 2143:3 2135:+ 2130:3 2122:= 2110:3 2102:+ 2097:3 2089:= 2077:3 2069:+ 2064:3 2056:= 2044:3 2036:+ 2031:3 2023:= 2002:) 1996:( 1981:3 1973:+ 1968:3 1960:= 1948:3 1940:+ 1935:3 1927:= 1915:3 1907:+ 1902:3 1894:= 1882:3 1874:+ 1869:3 1861:= 1849:3 1841:+ 1836:3 1828:= 1816:3 1808:+ 1803:3 1795:= 1783:3 1775:+ 1770:3 1762:= 1750:3 1742:+ 1737:3 1729:= 1717:3 1709:+ 1704:3 1696:= 1675:) 1672:9 1669:( 1654:3 1646:+ 1641:3 1633:= 1621:3 1613:+ 1608:3 1600:= 1588:3 1580:+ 1575:3 1567:= 1555:3 1547:+ 1542:3 1534:= 1522:3 1514:+ 1509:3 1501:= 1489:3 1481:+ 1476:3 1468:= 1456:3 1448:+ 1443:3 1435:= 1423:3 1415:+ 1410:3 1402:= 1381:) 1378:8 1375:( 1360:3 1352:+ 1347:3 1339:= 1327:3 1319:+ 1314:3 1306:= 1294:3 1286:+ 1281:3 1273:= 1261:3 1253:+ 1248:3 1240:= 1228:3 1220:+ 1215:3 1207:= 1195:3 1187:+ 1182:3 1174:= 1162:3 1154:+ 1149:3 1141:= 1120:) 1117:7 1114:( 1069:3 1061:+ 1056:3 1048:= 1036:3 1028:+ 1023:3 1015:= 1003:3 995:+ 990:3 982:= 970:3 962:+ 957:3 949:= 937:3 929:+ 924:3 916:= 904:3 896:+ 891:3 883:= 865:= 862:) 859:6 856:( 841:3 833:+ 828:3 820:= 808:3 800:+ 795:3 787:= 775:3 767:+ 762:3 754:= 742:3 734:+ 729:3 721:= 709:3 701:+ 696:3 688:= 670:= 667:) 664:5 661:( 646:3 638:+ 633:3 625:= 613:3 605:+ 600:3 592:= 580:3 572:+ 567:3 559:= 547:3 539:+ 534:3 526:= 508:= 505:) 502:4 499:( 484:3 476:+ 471:3 463:= 451:3 443:+ 438:3 430:= 418:3 410:+ 405:3 397:= 379:= 376:) 373:3 370:( 355:3 347:+ 342:3 338:9 334:= 322:3 314:+ 309:3 305:1 301:= 283:= 280:) 277:2 274:( 259:3 255:1 251:+ 246:3 242:1 238:= 228:2 220:= 217:) 214:1 211:( 173:n 154:n 146:n 74:n 63:n 59:n 51:n 41:. 33:( 23:.

Index

Taxi medallion

Srinivasa Ramanujan
G. H. Hardy
mathematics
integer cubes
1729
mathematicians
G. H. Hardy
Srinivasa Ramanujan
Putney
1729
Bernard Frénicle de Bessy
Srinivasa Ramanujan
G. H. Hardy
E. M. Wright
integers
John Leech
summands
cabtaxi number
generalized taxicab number
cubefree
relatively prime
Paul Vojta
A080642
OEIS
1729 (number)
Diophantine equation
Euler's sum of powers conjecture
Generalized taxicab number

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