Search a number
palindromic n.  and  tau n.

First numbers that belong to both sets:

1, 2, 8, 9, 88, 232, 252, 424, 444, 636, 808, 828, 2772, 4224, 12321, 21512, 21612, 23032, 23832, 24642, 25352, 25452, 27372, 29292, 40104, 40904, 42324, 42424, 42624, 44244, 46164, 46264, 46464, 48084, 48384, 48584, 48684, 61416, 61816, 63036, 63636, 65856, 67476, 67576, 69396, 69896, 80508, 82428, 84248, 84948, 86168, 86868, 88188, 88488, 216612, 270072, 423324, 426624, 468864, 486684, 2103012, 2113112, 2114112, 2119112, 2125212, 2128212, 2136312, 2144412, 2147412, 2153512, 2159512, 2160612, 2179712, 2195912, 2197912, 2198912, 2300032, 2301032, 2319132, 2338332, 2341432, 2345432, 2360632, 2392932, 2398932, 2504052, 2535352, 2539352, 2552552, 2558552, 2564652, 2571752, 2586852, 2592952, 2596952, 2597952, 2598952, 2700072, 2702072, 2703072, 2707072, 2711172, 2722272, 2723272, 2727272, 2730372, 2739372, 2741472, 2745472, 2746472, 2748472, 2755572, 2760672, 2764672, 2777772, 2780872, 2782872, 2783872, 2790972, 2916192, 2935392, 2936392, 2943492, 2946492, 2954592, 2965692, 2968692, 2973792, 2987892, 2991992, 2992992, 2995992, 4001004, 4004004, 4016104, 4018104, 4042404, 4048404, 4052504, 4058504, 4064604, 4079704, 4202024, 4206024, 4209024, 4217124, 4227224, 4228224, 4230324, 4242424, 4247424, 4252524, 4258524, 4266624, 4267624, 4280824, 4285824, 4288824, 4296924, 4299924, 4402044, 4410144, 4414144, 4434344, 4446444, 4453544, 4455544, 4459544, 4465644, 4468644, 4472744, 4474744, 4481844, 4487844, 4499944, 4604064, 4618164, 4623264, 4628264, 4641464, 4642464, 4649464, 4672764, 4678764, 4680864, 4685864, 4694964, 4697964, 4813184, 4825284, 4828284, 4831384, 4832384, 4836384, 4844484, 4847484, 4850584, 4851584, 4852584, 4855584, 4860684, 4870784, 4874784, 4882884, 4885884, 4893984, 4894984, 4898984, 6103016, 6109016, 6118116, 6131316, 6134316, 6141416, 6150516, 6167616, 6175716, 6178716, 6191916, 6197916, 6300036, 6303036, 6312136, 6315136, 6322236, 6328236, 6330336, 6334336, 6363636, 6372736, 6375736, 6382836, 6385836, 6388836, 6391936, 6505056, 6524256, 6529256, 6535356, 6543456, 6554556, 6562656, 6567656, 6569656, 6570756, 6579756, 6580856, 6581856, 6586856, 6595956, 6711176, 6718176, 6719176, 6720276, 6726276, 6730376, 6734376, 6736376, 6737376, 6742476, 6755576, 6756576, 6764676, 6767676, 6775776, 6776776, 6779776, 6794976, 6798976, 6799976, 6900096, 6914196, 6924296, 6939396, 6947496, 6955596, 6958596, 6969696, 6971796, 6981896.

Some larger examples :