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

First numbers that belong to both sets:

70, 590, 651, 715, 782, 1001, 1162, 1335, 1426, 2035, 2882, 5551, 5735, 6305, 6501, 7107, 7526, 8177, 8626, 9087, 9322, 10795, 11837, 12927, 14065, 20126, 22265, 24897, 25285, 26467, 28085, 29751, 31901, 32782, 34126, 35497, 36895, 37367, 38801, 40262, 41251, 43265, 44807, 45327, 47437, 51245, 51801, 52922, 54055, 56357, 58115, 59302, 62935, 65417, 73151, 74482, 85562, 92877, 95887, 99717, 102835, 103622, 105205, 106001, 108407, 114955, 122551, 133057, 136655, 139385, 143067, 143995, 144926, 146797, 149626, 151527, 170185, 179401, 187797, 192067, 193142, 199655, 200751, 205165, 208507, 217551, 218695, 223301, 225622, 226787, 247051, 251945, 255647, 272001, 274562, 277135, 281017, 282317, 284926, 298151, 313045, 321322, 325501, 331115, 335357, 343922, 352595, 358437, 364327, 365807, 371757, 376251, 382285, 386842, 388367, 396037, 402227, 406901, 411602, 414751, 427467, 458437, 460097, 463426, 465095, 473485, 492207, 493927, 499105, 514801, 520087, 527177, 532526, 537902, 541501, 546922, 565187, 580015, 610247, 639287, 649117, 657035, 669002, 681077, 695301, 711737, 747301, 755795, 762197, 805567, 807767, 827702, 832165, 841127, 845626, 850137, 859195, 868301, 895907, 914551, 926301, 952415, 974051, 993487, 1003277, 1015582, 1023001, 1030447, 1052947, 1068082, 1101245, 1116722, 1121905, 1132307, 1145377, 1153255, 1244426, 1271901, 1294097, 1305267, 1316485, 1327751, 1341901, 1350427, 1396355, 1410865, 1419607, 1422527, 1431305, 1457801, 1466687, 1472626, 1478577, 1493507, 1511522, 1517551, 1526617, 1553977, 1584662, 1590835, 1593926, 1688051, 1694422, 1713607, 1716815, 1726457, 1729677, 1752301, 1762042, 1768551, 1791427, 1794707, 1824362, 1840942, 1860937, 1894502, 1901251, 1914785, 1924967, 1979727, 1986626, 2035255, 2049257, 2066827, 2080937, 2119987, 2137857, 2206447, 2210087, 2265047, 2298347, 2309501, 2354387, 2388335, 2403501, 2411102, 2445455, 2464645, 2522665, 2546062, 2573495, 2605027, 2616901, 2648697, 2664667, 2668667, 2684697, 2712865, 2716901, 2749297, 2765567, 2777801, 2798251, 2827007, 2847637, 2860051, 2864195, 2893287, 2909977, 2935102, 2964551, 2998387, 3079517, 3101047, 3114001, 3135651, 3236207, 3245026, 3258277, 3365257, 3378751, 3401301, 3432997, 3437537, 3446626, 3505997, 3547397, 3561251, 3598327, 3616937.

Some larger examples :