Search a number
binomial coefficient  and  Zumkeller n.

First numbers that belong to both sets:

6, 20, 28, 56, 66, 70, 78, 84, 120, 126, 210, 220, 252, 276, 300, 330, 364, 378, 462, 496, 528, 560, 630, 666, 680, 780, 792, 816, 820, 924, 990, 1128, 1140, 1176, 1326, 1330, 1540, 1596, 1716, 1770, 1820, 1830, 2002, 2016, 2024, 2080, 2300, 2346, 2380, 2556, 2600, 2628, 2850, 3060, 3160, 3240, 3276, 3432, 3486, 3570, 3654, 3828, 3876, 4060, 4095, 4278, 4368, 4560, 4656, 4950, 4960, 5456, 5460, 5778, 5886, 5984, 5985, 6188, 6216, 6328, 6435, 6786, 7140, 7260, 7626, 7770, 7875, 8008, 8128, 8256, 8436, 8568, 8646, 8778, 9180, 9730, 9870, 9880, 10296, 10440, 10626, 10660, 10878, 11440, 11480, 11628, 12090, 12246, 12376, 12650, 12720, 12870, 12880, 13244, 13530, 14028, 14190, 14196, 14706, 14950, 15180, 15400, 15504, 15576, 16110, 16290, 16836, 17020, 17296, 17550, 17766, 17955, 18336, 18424, 18528, 18564, 19110, 19448, 19900, 20100, 20475, 20706, 20910, 21528, 21736, 21945, 22100, 22578, 23220, 23436, 24090, 24310, 24804, 24976, 25200, 25878, 26106, 26334, 26565, 26796, 27132, 27405, 27720, 27966, 28680, 28920, 29260, 29646, 29890, 30628, 30856, 30876, 31626, 31824, 31878, 32640, 33670, 33930, 34220, 34716, 34980, 35778, 35960, 37128, 37820, 37950, 38226, 38760, 39060, 39340, 40470, 40920, 41328, 41664, 42486, 42504, 43660, 43680, 43758, 43956, 44850, 45150, 45760, 46056, 46360, 46376, 47586, 48516, 48620, 48828, 49770, 50116, 50388, 51040, 51360, 52326, 52360, 52650, 53130, 53628, 53956, 54264, 54285, 54740, 55278, 56280, 56616, 57630, 57970, 58905, 58996, 59340, 59640, 60378, 60726, 61425, 61776, 62128, 62196, 63546, 64620, 64824, 64980, 65780, 66066, 66430, 67896, 69006, 69378, 70300, 70500, 72390, 73150, 73536, 73920, 75078, 75582, 76076, 76636, 77028, 77520, 78210, 78606, 79800, 80200, 80730, 81810, 82160, 82215, 83028, 83436, 84666, 85320, 86320, 86736, 87990, 88410, 88560, 89676, 90100, 91390, 91806, 93096, 93528, 94830, 95284, 96580, 97020, 98280, 98346, 98770, 98790.