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Harshad n.  and  house n.

First numbers that belong to both sets:

1, 9, 13959, 15962, 32103, 220330, 315859, 454895, 758952, 1138670, 1451682, 1866984, 3271410, 4953180, 6308092, 6769834, 7008923, 7130550, 7759830, 8289108, 8562541, 12325985, 12503016, 14563459, 15777182, 19102392, 19578195, 22864777, 24498188, 24777765, 27994726, 28300259, 30501458, 32476665, 39673335, 41624940, 43639520, 50071110, 53277159, 56131762, 64238538, 88491555, 103714884, 108901233, 122210176, 128831508, 146421678, 154833372, 155787413, 161594070, 181988640, 200616934, 204030810, 264037202, 282100806, 326890001, 337981277, 350960961, 355912718, 362587212, 365955525, 400792995, 409834800, 417165378, 487112340, 537838288, 542217611, 608414345, 620345650, 632431930, 642213208, 644674185, 695222955, 732135768, 742917162, 762038355, 871586142, 892846500, 958696256, 968359648, 1037827620, 1117637942, 1131922584, 1301096784, 1422761459, 1431131648, 1486339359, 1516646118, 1534147812, 1565098830, 1605500988, 1614572661, 1655818200, 1679032980, 1721364513, 1808150184, 1872610320, 1954026216, 1995604468, 2037768384, 2053731680, 2156772423, 2303280200, 2361349485, 2378958647, 2390746590, 2426343931, 2510774760, 3086705412, 3157235827, 3228832542, 3353016760, 3420031693, 3472767376, 3503144030, 3549040341, 3618633720, 3657686900, 4174076522, 4321294380, 4462977156, 4681255720, 4793014434, 4973580326, 5070410541, 5439602387, 5615073990, 5635962409, 5667392070, 6175154784, 6354689352, 6400110234, 6480116643, 6712374513, 6724130840, 7095421281, 7205718780, 7317153438, 7354552034, 7404614756, 7442310523, 7671174784, 7709769120, 7826328378, 7917793416, 7970377690, 8036434770, 8089542448, 8129526384, 8345000792, 8358592918, 8522851296, 8801373126, 8900270652, 8999906265, 9172435259, 9361814540, 9435341120, 9793631268, 9960834480, 9991438059.