Search a number
abundant n.  and  heptagonal n.

First numbers that belong to both sets:

18, 112, 342, 540, 616, 1288, 1404, 1782, 2205, 3010, 3186, 3744, 3940, 5688, 6426, 7480, 7756, 8910, 9828, 12496, 12852, 13950, 15484, 15880, 17514, 18792, 19228, 22420, 22896, 24354, 24850, 26368, 26884, 27405, 28998, 30636, 31192, 32890, 35224, 35820, 37638, 40768, 43362, 45360, 48790, 50908, 51624, 53802, 60606, 62964, 63760, 69472, 70308, 72846, 76300, 77176, 80730, 83448, 84364, 90916, 91872, 94770, 98704, 99700, 102718, 103734, 106812, 107848, 115240, 116316, 119574, 125104, 126225, 129618, 133056, 143640, 147258, 152152, 158382, 162180, 173844, 177822, 184552, 188650, 190026, 194184, 195580, 205492, 206928, 211266, 217120, 218596, 224550, 229068, 230584, 242892, 247590, 255520, 261954, 266832, 280060, 281736, 286794, 293608, 297045, 302238, 307476, 309232, 321664, 323460, 328878, 338008, 345402, 351000, 360430, 368064, 373842, 379665, 381616, 383572, 391446, 397404, 399400, 413512, 415548, 421686, 429940, 432016, 440370, 446688, 459459, 465912, 472410, 483340, 492174, 498852, 501088, 505575, 516880, 519156, 526014, 537544, 546858, 553896, 575280, 582498, 592192, 604422, 611820, 624250, 634284, 641862, 652036, 664866, 672624, 675220, 688275, 693532, 696168, 704106, 714760, 728190, 736308, 739024, 758176, 760932, 769230, 783160, 794394, 802872, 825700, 828576, 837234, 848848, 863478, 872316, 884170, 896104, 899100, 908118, 923248, 935442, 944640, 947716, 969388, 972504, 981882, 991305, 997612, 1010286, 1019844, 1023040, 1048788, 1058526, 1071580, 1074856, 1088010, 1097928, 1127952, 1138050, 1151584, 1154980, 1168614, 1178892, 1182328, 1206520, 1209996, 1220454, 1223950, 1237984, 1252098, 1262736, 1276990, 1294920, 1305738, 1323868, 1338462, 1349460, 1353136, 1379008, 1382724, 1393902, 1408876, 1412632, 1427706, 1439064, 1442860, 1461915, 1473408, 1484946, 1500400, 1519830, 1531548, 1535464, 1563016, 1566972, 1578870, 1598800, 1614834, 1626912, 1659340, 1663416, 1675674, 1700325, 1712718, 1725156, 1729312, 1741810, 1762740, 1775358, 1792252, 1796488, 1813482, 1826280, 1830556, 1860628, 1864944, 1877922, 1890945, 1895296, 1912750, 1917126, 1930284, 1934680, 1970028, 1983366, 2001220, 2005696, 2023650, 2037168, 2077992, 2091690, 2110024, 2114620, 2133054, 2146932, 2151568, 2184160, 2188836, 2202894.

Some larger examples :