Search a number
d-powerful n.  and  semiprime

First numbers that belong to both sets:

4, 6, 9, 209, 226, 262, 267, 334, 371, 377, 407, 445, 629, 794, 849, 1073, 1234, 1255, 1306, 1349, 1765, 2062, 2138, 2194, 2227, 2245, 2246, 2249, 2263, 2283, 2315, 2335, 2353, 2395, 2407, 2427, 2443, 2449, 2483, 2517, 2537, 2554, 2577, 2623, 2627, 2733, 2735, 2757, 2773, 2863, 2933, 2973, 3147, 3214, 3215, 3235, 3238, 3254, 3274, 3295, 3385, 3437, 3453, 3523, 3543, 3566, 3569, 3635, 3746, 3749, 3941, 3946, 3949, 4151, 4247, 4249, 4262, 4265, 4267, 4269, 4285, 4353, 4405, 4443, 4449, 4469, 4573, 4574, 4622, 4685, 4735, 4849, 4954, 4955, 5182, 5259, 5321, 5326, 5327, 5329, 5342, 5366, 5367, 5567, 5833, 5873, 6249, 6423, 6443, 6649, 6934, 6937, 7123, 7234, 7279, 7323, 7343, 7363, 8201, 8203, 8207, 8223, 8462, 8977, 9122, 9237, 9274, 9347, 9385, 9493, 10694, 12367, 12434, 12542, 12634, 12695, 12723, 12854, 13133, 13173, 13373, 13393, 13443, 14363, 14786, 16213, 16234, 16293, 16431, 16437, 16438, 16439, 16474, 16543, 16634, 16743, 17026, 17133, 17243, 17245, 17246, 17247, 17249, 17287, 17338, 17357, 17378, 17463, 17843, 17846, 17849, 18347, 18697, 18946, 19243, 19733, 20203, 20243, 20263, 20827, 20843, 20973, 21349, 21439, 21743, 21785, 22249, 22267, 22285, 22315, 22333, 22337, 22373, 22463, 22465, 22467, 22489, 22535, 22537, 22558, 22595, 22597, 22663, 22733, 22735, 22738, 22753, 22773, 22823, 22951, 22955, 22957, 22978, 22994, 23215, 23237, 23239, 23347, 23365, 23437, 23438, 23477, 23523, 23527, 23543, 23587, 23637, 23657, 23723, 23853, 23897, 23945, 23963, 24226, 24289, 24397, 24467, 24483, 24487, 24595, 24599, 24607, 24627, 24629, 24643, 24667, 24685, 24686, 24689, 24737, 24751, 24754, 24755, 24757, 24758, 24773, 24803, 24823, 24842, 24845, 24865, 24883, 24914, 24937, 24994, 25257, 25273, 25294, 25342, 25433, 25435, 25477, 25526, 25547, 25562, 25637, 25723, 25769, 26043, 26241.

Some larger examples :