Search a number
deficient n.  and  Ruth-Aaron pair

First numbers that belong to both sets:

5, 8, 9, 15, 16, 25, 49, 50, 77, 105, 125, 153, 154, 369, 370, 493, 715, 949, 1331, 1521, 1682, 1683, 1862, 1863, 2107, 2108, 2299, 2491, 2601, 2783, 3249, 4185, 4186, 4191, 4192, 5405, 5561, 5959, 6556, 6557, 6811, 6812, 6867, 6868, 8281, 8463, 8855, 9801, 10647, 12351, 12352, 12727, 13775, 14587, 16933, 17081, 18490, 18491, 18655, 20450, 20451, 21183, 21184, 24025, 24433, 24881, 24895, 24896, 25839, 26642, 26643, 26649, 28449, 28809, 28810, 33019, 35456, 35457, 37829, 37881, 37882, 40081, 40082, 41261, 42625, 43215, 43681, 44831, 44891, 47545, 48203, 48763, 49241, 52555, 53192, 53193, 57075, 57076, 61761, 63345, 63427, 63665, 64233, 68265, 68949, 70357, 72501, 75141, 79118, 79119, 81175, 81176, 89979, 95709, 95710, 98119, 98645, 99163, 99164, 106799, 106893, 106894, 109939, 110607, 112079, 113283, 113284, 118657, 128774, 128775, 132209, 141341, 141488, 141489, 143623, 148215, 148216, 154843, 155111, 155709, 172773, 172774, 173162, 173163, 174097, 180359, 183446, 183447, 189081, 197657, 204259, 204611, 208581, 208582, 215391, 216293, 224104, 224105, 224257, 228599, 230125, 231284, 231285, 235586, 235587, 244036, 244595, 244853, 247455, 248109, 248110, 250995, 250996, 261019, 261569, 263327, 263629, 265112, 265113, 268191, 268657, 268715, 278277, 289316, 289317, 292454, 292455, 294335, 296111, 296751, 304325, 319429, 329989, 332995, 333801, 333802, 346693, 350599, 351075, 351076, 361063, 370349, 373703, 380438, 380439, 380963, 381729, 384313, 388450, 388451, 394855, 404973, 404974, 407835, 416119, 417163, 421819, 430604, 430605, 436933, 437715, 437716, 441211, 441212, 445305, 445306, 453475, 457899, 461825, 466773, 466774, 467302, 467303, 470119, 477093, 488977, 493922, 493923, 501831, 508563, 509851, 525225, 529195, 531991, 537916, 537917, 540281, 547525, 547526, 550033, 554683, 557535, 560150, 560151, 563390, 563391, 564925, 565823, 571039, 572015, 576985, 583462, 583463, 598249, 598250, 608317, 618751, 618752, 624079, 639847, 643467, 665323, 667628, 667629, 671019, 685228, 685229, 693610, 693611, 694431.

Some larger examples :