Search a number
pernicious n.  and  self n.

First numbers that belong to both sets:

3, 5, 7, 9, 20, 31, 42, 97, 110, 121, 132, 143, 176, 211, 233, 244, 266, 288, 299, 310, 334, 345, 367, 400, 446, 457, 468, 501, 514, 536, 558, 569, 580, 602, 613, 626, 637, 648, 659, 681, 692, 714, 716, 727, 738, 749, 782, 793, 815, 817, 850, 861, 872, 883, 905, 916, 929, 962, 973, 995, 1032, 1054, 1087, 1109, 1144, 1166, 1177, 1199, 1234, 1245, 1256, 1267, 1311, 1324, 1335, 1368, 1390, 1401, 1414, 1425, 1447, 1480, 1491, 1513, 1537, 1592, 1603, 1627, 1660, 1682, 1693, 1704, 1715, 1717, 1739, 1750, 1772, 1816, 1840, 1884, 1906, 1941, 1952, 1996, 2066, 2077, 2088, 2099, 2112, 2123, 2134, 2156, 2167, 2178, 2189, 2211, 2213, 2235, 2246, 2257, 2279, 2312, 2325, 2336, 2380, 2391, 2402, 2413, 2426, 2437, 2459, 2492, 2503, 2538, 2560, 2571, 2582, 2604, 2615, 2639, 2672, 2694, 2705, 2718, 2773, 2784, 2819, 2852, 2874, 2896, 2918, 2986, 3008, 3056, 3100, 3113, 3124, 3146, 3179, 3190, 3212, 3236, 3258, 3280, 3302, 3313, 3337, 3348, 3381, 3403, 3414, 3427, 3460, 3482, 3493, 3583, 3594, 3618, 3629, 3662, 3673, 3719, 3785, 3796, 3842, 3853, 3875, 3921, 4079, 4101, 4112, 4114, 4125, 4136, 4147, 4191, 4202, 4215, 4226, 4237, 4259, 4303, 4327, 4360, 4371, 4393, 4404, 4428, 4439, 4450, 4461, 4483, 4516, 4540, 4551, 4619, 4630, 4652, 4663, 4696, 4718, 4720, 4742, 4753, 4775, 4808, 4819, 4821, 4832, 4876, 4887, 4898, 4909, 4922, 4944, 4966, 4977, 4999, 5036, 5080, 5148, 5170, 5181, 5214, 5227, 5238, 5260, 5271, 5282, 5293, 5328, 5350, 5361, 5394, 5405, 5416, 5429, 5451, 5462, 5484, 5506, 5517, 5530, 5541, 5574, 5585, 5631, 5642, 5675, 5686, 5697, 5721, 5776, 5798, 5809, 5833, 5844, 5899, 5910, 5923.

Some larger examples :