COOKIE CONSENT: By continuing to browse my site you agree to its use of cookies. OK or Tell me more
Search a number
centered heptagonal n.  and  semiprime

First numbers that belong to both sets:

22, 106, 253, 386, 841, 1198, 1618, 2101, 2458, 3046, 3473, 4166, 4411, 5461, 6623, 6931, 7246, 7897, 8926, 9647, 10018, 12811, 13238, 14113, 15947, 16423, 17893, 19951, 22121, 22681, 24403, 24991, 26797, 27413, 30598, 31921, 32593, 33958, 38221, 40447, 41966, 43513, 44297, 45886, 47503, 49981, 52522, 59606, 60523, 61447, 62378, 64261, 67138, 73081, 77183, 78226, 81397, 85723, 86822, 90161, 94711, 95866, 99373, 101746, 102943, 109033, 115298, 117853, 119141, 121738, 123047, 128353, 129697, 133771, 135143, 136522, 140701, 143522, 144943, 146371, 152153, 155086, 159538, 164053, 170171, 174833, 179558, 181147, 184346, 189197, 192466, 194111, 195763, 197422, 200761, 205822, 214397, 221383, 224918, 228481, 235691, 237511, 243013, 250447, 254206, 259897, 265651, 267583, 273421, 275381, 279322, 313951, 318158, 322393, 324521, 330947, 335266, 341797, 348391, 350603, 359521, 364022, 366283, 375397, 377693, 396313, 403411, 405791, 420218, 422647, 434897, 442331, 444823, 454861, 459922, 483043, 488258, 493501, 501418, 504071, 509398, 514753, 517441, 525547, 530986, 539197, 544706, 550243, 561401, 567022, 589786, 642643, 651673, 660766, 663811, 666863, 679141, 716647, 735778, 738991, 745438, 761678, 791351, 794683, 804721, 818203, 821591, 824986, 831797, 842066, 845503, 862793, 915713, 919297, 930091, 937322, 948221, 988723, 992447, 996178, 1007413, 1045318, 1056826, 1068397, 1076146, 1080031, 1087822, 1095641, 1099561, 1115311, 1119266, 1131173, 1139146, 1151158, 1183498, 1203938, 1208047, 1212163, 1224553, 1228697, 1245343, 1257901, 1274743, 1278971, 1291697, 1304486, 1308763, 1313047, 1343231, 1347571, 1351918, 1360633, 1373758, 1417963, 1435841, 1444822, 1458346, 1471933, 1481026, 1522291, 1526911, 1554778, 1564123, 1620781, 1635103, 1644686, 1654297, 1659113, 1673603, 1678447, 1693021, 1737121, 1776797, 1811881, 1857493, 1867706, 1872823, 1877947, 1919191, 1939981, 1955647, 1960883, 1966126, 1981897, 2008322, 2018941, 2050966, 2088647, 2110333, 2126671, 2170547, 2176063, 2198197, 2214871, 2226022, 2237201, 2254022, 2282197, 2287853, 2299186, 2304863, 2333353, 2350531, 2379301, 2390858, 2402443, 2437366, 2490223, 2513897, 2519833, 2531726, 2537683, 2561581, 2579578, 2591611, 2597638, 2646106, 2658293, 2713481, 2732003.

Some larger examples :