Knowledge (XXG)

Lucky numbers of Euler

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2251: 2272: 353: 196:
41, 43, 47, 53, 61, 71, 83, 97, 113, 131, 151, 173, 197, 223, 251, 281, 313, 347, 383, 421, 461, 503, 547, 593, 641, 691, 743, 797, 853, 911, 971, ... (sequence
214:" defined by a sieve algorithm. In fact, the only number which is both lucky and Euler-lucky is 3, since all other Euler-lucky numbers are congruent to 2 268: 232: 203: 178: 346: 1153: 339: 2313: 1148: 1163: 1143: 1856: 1436: 1158: 1942: 1258: 1608: 927: 720: 1643: 1613: 1288: 1278: 1784: 1198: 932: 912: 1474: 1638: 2332: 1733: 1356: 1113: 922: 904: 798: 788: 778: 1618: 1861: 1406: 1027: 813: 808: 803: 793: 770: 846: 299:
Extrait d'un lettre de M. Euler le pere à M. Bernoulli concernant le Mémoire imprimé parmi ceux de 1771, p. 318
1103: 2342: 1972: 1937: 1723: 1633: 1507: 1482: 1391: 1381: 993: 975: 895: 284: 2337: 2306: 2232: 1502: 1376: 1007: 783: 490: 2347: 1487: 1341: 1268: 423: 2196: 1836: 2129: 2023: 1987: 1728: 1451: 1431: 1248: 917: 705: 677: 1851: 1715: 1710: 1678: 1441: 1416: 1411: 1386: 1316: 1312: 1243: 1133: 965: 761: 730: 2250: 2254: 2008: 2003: 1917: 1891: 1789: 1768: 1540: 1421: 1371: 1293: 1263: 1203: 970: 950: 881: 594: 237: 215: 1138: 2299: 2148: 2093: 1947: 1922: 1896: 1673: 1351: 1346: 1273: 1253: 1238: 960: 942: 861: 851: 836: 614: 599: 314: 133: 2283: 2184: 1977: 1563: 1535: 1525: 1517: 1401: 1366: 1361: 1328: 1022: 985: 876: 871: 866: 856: 828: 715: 667: 662: 619: 558: 171:
from 1 to 40. Only 6 lucky numbers of Euler exist, namely 2, 3, 5, 11, 17 and 41 (sequence
2160: 2049: 1982: 1908: 1831: 1805: 1623: 1336: 1193: 1128: 1098: 1088: 1083: 749: 657: 604: 448: 388: 23: 317: 297: 2165: 2033: 2018: 1882: 1846: 1821: 1697: 1668: 1653: 1530: 1426: 1396: 1123: 1078: 955: 553: 548: 543: 515: 500: 413: 398: 376: 363: 293: 227: 150: 147:. These polynomials are all members of the larger set of prime generating polynomials. 2326: 2088: 2072: 2013: 1967: 1663: 1648: 1558: 1283: 841: 710: 672: 629: 510: 495: 485: 443: 433: 408: 2124: 2113: 2028: 1866: 1841: 1758: 1658: 1628: 1603: 1587: 1492: 1459: 1208: 1182: 1093: 1032: 609: 505: 438: 418: 393: 211: 62: 2083: 1958: 1763: 1227: 1118: 1073: 1068: 818: 725: 624: 453: 428: 403: 242: 163: 2220: 2201: 1497: 1108: 331: 1826: 1753: 1745: 1550: 1464: 582: 322: 95: 1927: 26: 1932: 1591: 2279: 2271: 2218: 2182: 2146: 2110: 2070: 1695: 1584: 1310: 1225: 1180: 1057: 747: 694: 646: 580: 532: 470: 374: 335: 261:
See also the sieve algorithm for all such primes: (sequence
263: 198: 173: 2287: 167:
which produces prime numbers for all integer values of
218:
3, but no lucky numbers are congruent to 2 modulo 3.
2042: 1996: 1956: 1907: 1881: 1814: 1798: 1777: 1744: 1709: 1549: 1516: 1473: 1450: 1327: 1015: 1006: 984: 941: 903: 894: 827: 769: 760: 181:). Note that these numbers are all prime numbers. 2307: 347: 8: 290:. Paris: Hermann, pp. 88 and 144, 1983. 210:Euler's lucky numbers are unrelated to the " 2314: 2300: 2215: 2179: 2143: 2107: 2067: 1741: 1706: 1692: 1581: 1324: 1307: 1222: 1177: 1054: 1012: 900: 766: 757: 744: 691: 648:Possessing a specific set of other numbers 643: 577: 529: 467: 371: 354: 340: 332: 233:List of topics named after Leonhard Euler 102:. Since the polynomial can be written as 302:(1774). Euler Archive - All Works. 461. 254: 7: 2268: 2266: 2286:. You can help Knowledge (XXG) by 76:, the value cannot be prime since 14: 2270: 2249: 1857:Perfect digit-to-digit invariant 1: 696:Expressible via specific sums 1785:Multiplicative digital root 32:such that for all integers 2364: 2265: 2245: 2228: 2214: 2192: 2178: 2156: 2142: 2120: 2106: 2079: 2066: 1862:Perfect digital invariant 1705: 1691: 1599: 1580: 1437:Superior highly composite 1323: 1306: 1234: 1221: 1189: 1176: 1064: 1053: 756: 743: 701: 690: 653: 642: 590: 576: 539: 528: 481: 466: 384: 370: 153:published the polynomial 1475:Euler's totient function 1259:Euler–Jacobi pseudoprime 534:Other polynomial numbers 288:Les Nombres Remarquables 1289:Somer–Lucas pseudoprime 1279:Lucas–Carmichael number 1114:Lazy caterer's sequence 318:"Lucky Number of Euler" 184:The primes of the form 20:Euler's "lucky" numbers 1164:Wedderburn–Etherington 564:Lucky numbers of Euler 2278:This article about a 1452:Prime omega functions 1269:Frobenius pseudoprime 1059:Combinatorial numbers 928:Centered dodecahedral 721:Primary pseudoperfect 116:, using the integers 1911:-composition related 1711:Arithmetic functions 1313:Arithmetic functions 1249:Elliptic pseudoprime 933:Centered icosahedral 913:Centered tetrahedral 16:Mathematical concept 1837:Kaprekar's constant 1357:Colossally abundant 1244:Catalan pseudoprime 1144:Schröder–Hipparchus 923:Centered octahedral 799:Centered heptagonal 789:Centered pentagonal 779:Centered triangular 379:and related numbers 2255:Mathematics portal 2197:Aronson's sequence 1943:Smarandache–Wellin 1700:-dependent numbers 1407:Primitive abundant 1294:Strong pseudoprime 1284:Perrin pseudoprime 1264:Fermat pseudoprime 1204:Wolstenholme prime 1028:Squared triangular 814:Centered decagonal 809:Centered nonagonal 804:Centered octagonal 794:Centered hexagonal 315:Weisstein, Eric W. 238:Formula for primes 132:produces the same 2333:Integer sequences 2295: 2294: 2263: 2262: 2241: 2240: 2210: 2209: 2174: 2173: 2138: 2137: 2102: 2101: 2062: 2061: 2058: 2057: 1877: 1876: 1687: 1686: 1576: 1575: 1572: 1571: 1518:Aliquot sequences 1329:Divisor functions 1302: 1301: 1274:Lucas pseudoprime 1254:Euler pseudoprime 1239:Carmichael number 1217: 1216: 1172: 1171: 1049: 1048: 1045: 1044: 1041: 1040: 1002: 1001: 890: 889: 847:Square triangular 739: 738: 686: 685: 638: 637: 572: 571: 524: 523: 462: 461: 47:, the polynomial 2355: 2316: 2309: 2302: 2274: 2267: 2253: 2216: 2185:Natural language 2180: 2144: 2112:Generated via a 2108: 2068: 1973:Digit-reassembly 1938:Self-descriptive 1742: 1707: 1693: 1644:Lucas–Carmichael 1634:Harmonic divisor 1582: 1508:Sparsely totient 1483:Highly cototient 1392:Multiply perfect 1382:Highly composite 1325: 1308: 1223: 1178: 1159:Telephone number 1055: 1013: 994:Square pyramidal 976:Stella octangula 901: 767: 758: 750:Figurate numbers 745: 692: 644: 578: 530: 468: 372: 356: 349: 342: 333: 328: 327: 272: 266: 259: 201: 176: 166: 146: 131: 115: 93: 60: 46: 2363: 2362: 2358: 2357: 2356: 2354: 2353: 2352: 2323: 2322: 2321: 2320: 2264: 2259: 2237: 2233:Strobogrammatic 2224: 2206: 2188: 2170: 2152: 2134: 2116: 2098: 2075: 2054: 2038: 1997:Divisor-related 1992: 1952: 1903: 1873: 1810: 1794: 1773: 1740: 1713: 1701: 1683: 1595: 1594:related numbers 1568: 1545: 1512: 1503:Perfect totient 1469: 1446: 1377:Highly abundant 1319: 1298: 1230: 1213: 1185: 1168: 1154:Stirling second 1060: 1037: 998: 980: 937: 886: 823: 784:Centered square 752: 735: 697: 682: 649: 634: 586: 585:defined numbers 568: 535: 520: 491:Double Mersenne 477: 458: 380: 366: 364:natural numbers 360: 313: 312: 309: 285:Le Lionnais, F. 281: 276: 275: 262: 260: 256: 251: 224: 197: 172: 154: 137: 121: 103: 77: 48: 37: 17: 12: 11: 5: 2361: 2359: 2351: 2350: 2345: 2343:Leonhard Euler 2340: 2335: 2325: 2324: 2319: 2318: 2311: 2304: 2296: 2293: 2292: 2275: 2261: 2260: 2258: 2257: 2246: 2243: 2242: 2239: 2238: 2236: 2235: 2229: 2226: 2225: 2219: 2212: 2211: 2208: 2207: 2205: 2204: 2199: 2193: 2190: 2189: 2183: 2176: 2175: 2172: 2171: 2169: 2168: 2166:Sorting number 2163: 2161:Pancake number 2157: 2154: 2153: 2147: 2140: 2139: 2136: 2135: 2133: 2132: 2127: 2121: 2118: 2117: 2111: 2104: 2103: 2100: 2099: 2097: 2096: 2091: 2086: 2080: 2077: 2076: 2073:Binary numbers 2071: 2064: 2063: 2060: 2059: 2056: 2055: 2053: 2052: 2046: 2044: 2040: 2039: 2037: 2036: 2031: 2026: 2021: 2016: 2011: 2006: 2000: 1998: 1994: 1993: 1991: 1990: 1985: 1980: 1975: 1970: 1964: 1962: 1954: 1953: 1951: 1950: 1945: 1940: 1935: 1930: 1925: 1920: 1914: 1912: 1905: 1904: 1902: 1901: 1900: 1899: 1888: 1886: 1883:P-adic numbers 1879: 1878: 1875: 1874: 1872: 1871: 1870: 1869: 1859: 1854: 1849: 1844: 1839: 1834: 1829: 1824: 1818: 1816: 1812: 1811: 1809: 1808: 1802: 1800: 1799:Coding-related 1796: 1795: 1793: 1792: 1787: 1781: 1779: 1775: 1774: 1772: 1771: 1766: 1761: 1756: 1750: 1748: 1739: 1738: 1737: 1736: 1734:Multiplicative 1731: 1720: 1718: 1703: 1702: 1698:Numeral system 1696: 1689: 1688: 1685: 1684: 1682: 1681: 1676: 1671: 1666: 1661: 1656: 1651: 1646: 1641: 1636: 1631: 1626: 1621: 1616: 1611: 1606: 1600: 1597: 1596: 1585: 1578: 1577: 1574: 1573: 1570: 1569: 1567: 1566: 1561: 1555: 1553: 1547: 1546: 1544: 1543: 1538: 1533: 1528: 1522: 1520: 1514: 1513: 1511: 1510: 1505: 1500: 1495: 1490: 1488:Highly totient 1485: 1479: 1477: 1471: 1470: 1468: 1467: 1462: 1456: 1454: 1448: 1447: 1445: 1444: 1439: 1434: 1429: 1424: 1419: 1414: 1409: 1404: 1399: 1394: 1389: 1384: 1379: 1374: 1369: 1364: 1359: 1354: 1349: 1344: 1342:Almost perfect 1339: 1333: 1331: 1321: 1320: 1311: 1304: 1303: 1300: 1299: 1297: 1296: 1291: 1286: 1281: 1276: 1271: 1266: 1261: 1256: 1251: 1246: 1241: 1235: 1232: 1231: 1226: 1219: 1218: 1215: 1214: 1212: 1211: 1206: 1201: 1196: 1190: 1187: 1186: 1181: 1174: 1173: 1170: 1169: 1167: 1166: 1161: 1156: 1151: 1149:Stirling first 1146: 1141: 1136: 1131: 1126: 1121: 1116: 1111: 1106: 1101: 1096: 1091: 1086: 1081: 1076: 1071: 1065: 1062: 1061: 1058: 1051: 1050: 1047: 1046: 1043: 1042: 1039: 1038: 1036: 1035: 1030: 1025: 1019: 1017: 1010: 1004: 1003: 1000: 999: 997: 996: 990: 988: 982: 981: 979: 978: 973: 968: 963: 958: 953: 947: 945: 939: 938: 936: 935: 930: 925: 920: 915: 909: 907: 898: 892: 891: 888: 887: 885: 884: 879: 874: 869: 864: 859: 854: 849: 844: 839: 833: 831: 825: 824: 822: 821: 816: 811: 806: 801: 796: 791: 786: 781: 775: 773: 764: 754: 753: 748: 741: 740: 737: 736: 734: 733: 728: 723: 718: 713: 708: 702: 699: 698: 695: 688: 687: 684: 683: 681: 680: 675: 670: 665: 660: 654: 651: 650: 647: 640: 639: 636: 635: 633: 632: 627: 622: 617: 612: 607: 602: 597: 591: 588: 587: 581: 574: 573: 570: 569: 567: 566: 561: 556: 551: 546: 540: 537: 536: 533: 526: 525: 522: 521: 519: 518: 513: 508: 503: 498: 493: 488: 482: 479: 478: 471: 464: 463: 460: 459: 457: 456: 451: 446: 441: 436: 431: 426: 421: 416: 411: 406: 401: 396: 391: 385: 382: 381: 375: 368: 367: 361: 359: 358: 351: 344: 336: 330: 329: 308: 307:External links 305: 304: 303: 294:Leonhard Euler 291: 280: 277: 274: 273: 253: 252: 250: 247: 246: 245: 240: 235: 230: 228:Heegner number 223: 220: 208: 207: 151:Leonhard Euler 136:of numbers as 15: 13: 10: 9: 6: 4: 3: 2: 2360: 2349: 2346: 2344: 2341: 2339: 2338:Prime numbers 2336: 2334: 2331: 2330: 2328: 2317: 2312: 2310: 2305: 2303: 2298: 2297: 2291: 2289: 2285: 2281: 2276: 2273: 2269: 2256: 2252: 2248: 2247: 2244: 2234: 2231: 2230: 2227: 2222: 2217: 2213: 2203: 2200: 2198: 2195: 2194: 2191: 2186: 2181: 2177: 2167: 2164: 2162: 2159: 2158: 2155: 2150: 2145: 2141: 2131: 2128: 2126: 2123: 2122: 2119: 2115: 2109: 2105: 2095: 2092: 2090: 2087: 2085: 2082: 2081: 2078: 2074: 2069: 2065: 2051: 2048: 2047: 2045: 2041: 2035: 2032: 2030: 2027: 2025: 2024:Polydivisible 2022: 2020: 2017: 2015: 2012: 2010: 2007: 2005: 2002: 2001: 1999: 1995: 1989: 1986: 1984: 1981: 1979: 1976: 1974: 1971: 1969: 1966: 1965: 1963: 1960: 1955: 1949: 1946: 1944: 1941: 1939: 1936: 1934: 1931: 1929: 1926: 1924: 1921: 1919: 1916: 1915: 1913: 1910: 1906: 1898: 1895: 1894: 1893: 1890: 1889: 1887: 1884: 1880: 1868: 1865: 1864: 1863: 1860: 1858: 1855: 1853: 1850: 1848: 1845: 1843: 1840: 1838: 1835: 1833: 1830: 1828: 1825: 1823: 1820: 1819: 1817: 1813: 1807: 1804: 1803: 1801: 1797: 1791: 1788: 1786: 1783: 1782: 1780: 1778:Digit product 1776: 1770: 1767: 1765: 1762: 1760: 1757: 1755: 1752: 1751: 1749: 1747: 1743: 1735: 1732: 1730: 1727: 1726: 1725: 1722: 1721: 1719: 1717: 1712: 1708: 1704: 1699: 1694: 1690: 1680: 1677: 1675: 1672: 1670: 1667: 1665: 1662: 1660: 1657: 1655: 1652: 1650: 1647: 1645: 1642: 1640: 1637: 1635: 1632: 1630: 1627: 1625: 1622: 1620: 1617: 1615: 1614:ErdƑs–Nicolas 1612: 1610: 1607: 1605: 1602: 1601: 1598: 1593: 1589: 1583: 1579: 1565: 1562: 1560: 1557: 1556: 1554: 1552: 1548: 1542: 1539: 1537: 1534: 1532: 1529: 1527: 1524: 1523: 1521: 1519: 1515: 1509: 1506: 1504: 1501: 1499: 1496: 1494: 1491: 1489: 1486: 1484: 1481: 1480: 1478: 1476: 1472: 1466: 1463: 1461: 1458: 1457: 1455: 1453: 1449: 1443: 1440: 1438: 1435: 1433: 1432:Superabundant 1430: 1428: 1425: 1423: 1420: 1418: 1415: 1413: 1410: 1408: 1405: 1403: 1400: 1398: 1395: 1393: 1390: 1388: 1385: 1383: 1380: 1378: 1375: 1373: 1370: 1368: 1365: 1363: 1360: 1358: 1355: 1353: 1350: 1348: 1345: 1343: 1340: 1338: 1335: 1334: 1332: 1330: 1326: 1322: 1318: 1314: 1309: 1305: 1295: 1292: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1255: 1252: 1250: 1247: 1245: 1242: 1240: 1237: 1236: 1233: 1229: 1224: 1220: 1210: 1207: 1205: 1202: 1200: 1197: 1195: 1192: 1191: 1188: 1184: 1179: 1175: 1165: 1162: 1160: 1157: 1155: 1152: 1150: 1147: 1145: 1142: 1140: 1137: 1135: 1132: 1130: 1127: 1125: 1122: 1120: 1117: 1115: 1112: 1110: 1107: 1105: 1102: 1100: 1097: 1095: 1092: 1090: 1087: 1085: 1082: 1080: 1077: 1075: 1072: 1070: 1067: 1066: 1063: 1056: 1052: 1034: 1031: 1029: 1026: 1024: 1021: 1020: 1018: 1014: 1011: 1009: 1008:4-dimensional 1005: 995: 992: 991: 989: 987: 983: 977: 974: 972: 969: 967: 964: 962: 959: 957: 954: 952: 949: 948: 946: 944: 940: 934: 931: 929: 926: 924: 921: 919: 918:Centered cube 916: 914: 911: 910: 908: 906: 902: 899: 897: 896:3-dimensional 893: 883: 880: 878: 875: 873: 870: 868: 865: 863: 860: 858: 855: 853: 850: 848: 845: 843: 840: 838: 835: 834: 832: 830: 826: 820: 817: 815: 812: 810: 807: 805: 802: 800: 797: 795: 792: 790: 787: 785: 782: 780: 777: 776: 774: 772: 768: 765: 763: 762:2-dimensional 759: 755: 751: 746: 742: 732: 729: 727: 724: 722: 719: 717: 714: 712: 709: 707: 706:Nonhypotenuse 704: 703: 700: 693: 689: 679: 676: 674: 671: 669: 666: 664: 661: 659: 656: 655: 652: 645: 641: 631: 628: 626: 623: 621: 618: 616: 613: 611: 608: 606: 603: 601: 598: 596: 593: 592: 589: 584: 579: 575: 565: 562: 560: 557: 555: 552: 550: 547: 545: 542: 541: 538: 531: 527: 517: 514: 512: 509: 507: 504: 502: 499: 497: 494: 492: 489: 487: 484: 483: 480: 475: 469: 465: 455: 452: 450: 447: 445: 444:Perfect power 442: 440: 437: 435: 434:Seventh power 432: 430: 427: 425: 422: 420: 417: 415: 412: 410: 407: 405: 402: 400: 397: 395: 392: 390: 387: 386: 383: 378: 373: 369: 365: 357: 352: 350: 345: 343: 338: 337: 334: 325: 324: 319: 316: 311: 310: 306: 301: 300: 295: 292: 289: 286: 283: 282: 278: 270: 265: 258: 255: 248: 244: 241: 239: 236: 234: 231: 229: 226: 225: 221: 219: 217: 213: 212:lucky numbers 205: 200: 195: 194: 193: 191: 187: 182: 180: 175: 170: 165: 161: 157: 152: 148: 145: 141: 135: 129: 125: 119: 114: 110: 106: 101: 97: 92: 88: 84: 80: 75: 71: 66: 64: 59: 55: 51: 45: 41: 35: 31: 28: 25: 21: 2348:Number stubs 2288:expanding it 2277: 1988:Transposable 1852:Narcissistic 1759:Digital root 1679:Super-Poulet 1639:Jordan–PĂłlya 1588:prime factor 1493:Noncototient 1460:Almost prime 1442:Superperfect 1417:Refactorable 1412:Quasiperfect 1387:Hyperperfect 1228:Pseudoprimes 1199:Wall–Sun–Sun 1134:Ordered Bell 1104:Fuss–Catalan 1016:non-centered 966:Dodecahedral 943:non-centered 829:non-centered 731:Wolstenholme 563: 476:× 2 ± 1 473: 472:Of the form 439:Eighth power 419:Fourth power 321: 298: 287: 257: 209: 189: 185: 183: 168: 159: 155: 149: 143: 139: 127: 123: 117: 112: 108: 104: 99: 90: 86: 82: 78: 73: 72:is equal to 69: 67: 63:prime number 57: 53: 49: 43: 39: 33: 29: 19: 18: 2009:Extravagant 2004:Equidigital 1959:permutation 1918:Palindromic 1892:Automorphic 1790:Sum-product 1769:Sum-product 1724:Persistence 1619:ErdƑs–Woods 1541:Untouchable 1422:Semiperfect 1372:Hemiperfect 1033:Tesseractic 971:Icosahedral 951:Tetrahedral 882:Dodecagonal 583:Recursively 454:Prime power 429:Sixth power 424:Fifth power 404:Power of 10 362:Classes of 243:Ulam spiral 61:produces a 2327:Categories 2221:Graphemics 2094:Pernicious 1948:Undulating 1923:Pandigital 1897:Trimorphic 1498:Nontotient 1347:Arithmetic 961:Octahedral 862:Heptagonal 852:Pentagonal 837:Triangular 678:SierpiƄski 600:Jacobsthal 399:Power of 3 394:Power of 2 279:Literature 249:References 1978:Parasitic 1827:Factorion 1754:Digit sum 1746:Digit sum 1564:Fortunate 1551:Primorial 1465:Semiprime 1402:Practical 1367:Descartes 1362:Deficient 1352:Betrothed 1194:Wieferich 1023:Pentatope 986:pyramidal 877:Decagonal 872:Nonagonal 867:Octagonal 857:Hexagonal 716:Practical 663:Congruent 595:Fibonacci 559:Loeschian 323:MathWorld 192:+ 41 are 126:−1) < 96:divisible 2050:Friedman 1983:Primeval 1928:Repdigit 1885:-related 1832:Kaprekar 1806:Meertens 1729:Additive 1716:dynamics 1624:Friendly 1536:Sociable 1526:Amicable 1337:Abundant 1317:dynamics 1139:Schröder 1129:Narayana 1099:Eulerian 1089:Delannoy 1084:Dedekind 905:centered 771:centered 658:Amenable 615:Narayana 605:Leonardo 501:Mersenne 449:Powerful 389:Achilles 222:See also 27:integers 24:positive 2223:related 2187:related 2151:related 2149:Sorting 2034:Vampire 2019:Harshad 1961:related 1933:Repunit 1847:Lychrel 1822:Dudeney 1674:StĂžrmer 1669:Sphenic 1654:Regular 1592:divisor 1531:Perfect 1427:Sublime 1397:Perfect 1124:Motzkin 1079:Catalan 620:Padovan 554:Leyland 549:Idoneal 544:Hilbert 516:Woodall 267:in the 264:A330673 202:in the 199:A005846 177:in the 174:A014556 2280:number 2089:Odious 2014:Frugal 1968:Cyclic 1957:Digit- 1664:Smooth 1649:Pronic 1609:Cyclic 1586:Other 1559:Euclid 1209:Wilson 1183:Primes 842:Square 711:Polite 673:Riesel 668:Knödel 630:Perrin 511:Thabit 496:Fermat 486:Cullen 409:Square 377:Powers 216:modulo 111:−1) + 2282:is a 2130:Prime 2125:Lucky 2114:sieve 2043:Other 2029:Smith 1909:Digit 1867:Happy 1842:Keith 1815:Other 1659:Rough 1629:Giuga 1094:Euler 956:Cubic 610:Lucas 506:Proth 142:< 120:with 68:When 42:< 36:with 2284:stub 2084:Evil 1764:Self 1714:and 1604:Blum 1315:and 1119:Lobb 1074:Cake 1069:Bell 819:Star 726:Ulam 625:Pell 414:Cube 269:OEIS 204:OEIS 179:OEIS 138:1 ≀ 38:1 ≀ 22:are 2202:Ban 1590:or 1109:Lah 134:set 130:≀ 0 98:by 94:is 2329:: 320:. 296:, 206:). 188:− 164:41 162:+ 158:− 122:−( 89:= 85:+ 81:− 65:. 56:+ 52:− 2315:e 2308:t 2301:v 2290:. 474:a 355:e 348:t 341:v 326:. 271:) 190:k 186:k 169:k 160:k 156:k 144:n 140:k 128:k 124:n 118:k 113:n 109:k 107:( 105:k 100:n 91:n 87:n 83:n 79:n 74:n 70:k 58:n 54:k 50:k 44:n 40:k 34:k 30:n

Index

positive
integers
prime number
divisible
set
Leonhard Euler
41
A014556
OEIS
A005846
OEIS
lucky numbers
modulo
Heegner number
List of topics named after Leonhard Euler
Formula for primes
Ulam spiral
A330673
OEIS
Le Lionnais, F.
Leonhard Euler
Extrait d'un lettre de M. Euler le pere à M. Bernoulli concernant le Mémoire imprimé parmi ceux de 1771, p. 318
Weisstein, Eric W.
"Lucky Number of Euler"
MathWorld
v
t
e
natural numbers
Powers

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