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

First numbers that belong to both sets:

1, 13, 313, 365, 761, 2245, 5725, 6613, 11401, 13285, 14281, 18241, 18625, 21841, 22261, 22685, 23545, 25765, 26221, 28561, 29525, 30013, 34585, 41761, 42925, 44701, 50245, 52165, 52813, 69565, 70313, 79601, 81205, 84461, 90313, 117613, 122513, 126505, 137813, 146341, 161881, 177013, 235985, 242905, 255613, 280501, 285013, 300313, 325625, 340313, 355325, 375845, 407705, 413141, 440861, 446513, 459841, 461761, 467545, 475313, 507025, 523265, 533545, 537685, 597325, 644113, 653225, 671641, 687965, 730841, 735685, 738113, 747865, 752765, 775013, 792541, 795061, 797585, 807721, 810265, 825613, 835925, 843701, 869881, 877813, 928885, 956345, 984205, 989825, 992641, 998285, 1001113, 1064341, 1073113, 1087813, 1090765, 1096681, 1126501, 1165865, 1168921, 1272013, 1297661, 1307345, 1323565, 1379461, 1396121, 1426361, 1436513, 1450105, 1453513, 1456925, 1460341, 1467185, 1480921, 1484365, 1512061, 1515541, 1526005, 1611013, 1636241, 1643485, 1690961, 1716805, 1724225, 1731661, 1746581, 1772845, 1822141, 1833613, 1872113, 1911013, 1922761, 1938481, 1954265, 1962181, 1974085, 1982041, 2018041, 2022061, 2026085, 2078761, 2156965, 2173613, 2181961, 2202901, 2211305, 2240845, 2262065, 2266321, 2291941, 2322013, 2326325, 2461981, 2484221, 2515525, 2551541, 2583265, 2619761, 2624341, 2638105, 2665741, 2820313, 2839345, 2848885, 2858441, 2877601, 2901641, 2916113, 2945165, 2979241, 3003701, 3057865, 3077681, 3092585, 3122501, 3137513, 3182765, 3197921, 3258905, 3351461, 3372205, 3377401, 3413885, 3476885, 3492725, 3535141, 3540461, 3588521, 3669341, 3718265, 3784001, 3833681, 3866981, 3872545, 3990313, 3995965, 4024285, 4029961, 4035641, 4047013, 4064101, 4104113, 4109845, 4115581, 4138565, 4161613, 4190513, 4277813, 4283665, 4342405, 4491005, 4551145, 4581365, 4617761, 4654301, 4660405, 4697113, 4721665, 4727813, 4783325, 4839161, 4845385, 4901581, 4932941, 4958101, 4983325, 5065745, 5110405, 5123201, 5142425, 5161685, 5180981, 5239085, 5265013, 5271505, 5304025, 5454905, 5514521, 5581141, 5601205, 5607901, 5621305, 5628013, 5702065, 5715581, 5742661, 5763013, 5769805, 5817461, 5947801, 5996185, 6016981, 6058681, 6079585, 6100525, 6121501, 6149525, 6198721, 6404621, 6418945, 6426113, 6534113, 6563065, 6570313, 6701461, 6716113, 6730781, 6745465, 6752813, 6848701, 6878341, 6893185, 6960181, 7005025, 7087613, 7132865, 7315313, 7322965, 7361285, 7384325.

Some larger examples :