Search a number
palindromic n.  and  uban n.

First numbers that belong to both sets:

1, 2, 3, 5, 6, 7, 8, 9, 11, 22, 33, 55, 66, 77, 88, 99, 1000001, 2000002, 3000003, 5000005, 6000006, 7000007, 8000008, 9000009, 10000001, 11000011, 12000021, 13000031, 15000051, 16000061, 17000071, 18000081, 19000091, 20000002, 21000012, 22000022, 23000032, 25000052, 26000062, 27000072, 28000082, 29000092, 30000003, 31000013, 32000023, 33000033, 35000053, 36000063, 37000073, 38000083, 39000093, 50000005, 51000015, 52000025, 53000035, 55000055, 56000065, 57000075, 58000085, 59000095, 60000006, 61000016, 62000026, 63000036, 65000056, 66000066, 67000076, 68000086, 69000096, 70000007, 71000017, 72000027, 73000037, 75000057, 76000067, 77000077, 78000087, 79000097, 80000008, 81000018, 82000028, 83000038, 85000058, 86000068, 87000078, 88000088, 89000098, 90000009, 91000019, 92000029, 93000039, 95000059, 96000069, 97000079, 98000089, 99000099, 1000000001, 2000000002, 3000000003, 5000000005, 6000000006, 7000000007, 8000000008, 9000000009, 10000000001, 11000000011, 12000000021, 13000000031, 15000000051, 16000000061, 17000000071, 18000000081, 19000000091, 20000000002, 21000000012, 22000000022, 23000000032, 25000000052, 26000000062, 27000000072, 28000000082, 29000000092, 30000000003, 31000000013, 32000000023, 33000000033, 35000000053, 36000000063, 37000000073, 38000000083, 39000000093, 50000000005, 51000000015, 52000000025, 53000000035, 55000000055, 56000000065, 57000000075, 58000000085, 59000000095, 60000000006, 61000000016, 62000000026, 63000000036, 65000000056, 66000000066, 67000000076, 68000000086, 69000000096, 70000000007, 71000000017, 72000000027, 73000000037, 75000000057, 76000000067, 77000000077, 78000000087, 79000000097, 80000000008, 81000000018, 82000000028, 83000000038, 85000000058, 86000000068, 87000000078, 88000000088, 89000000098, 90000000009, 91000000019, 92000000029, 93000000039, 95000000059, 96000000069, 97000000079, 98000000089, 99000000099, 1000000000001, 1000001000001, 1000002000001, 1000003000001, 1000005000001, 1000006000001, 1000007000001, 1000008000001, 1000009000001, 2000000000002, 2000001000002, 2000002000002, 2000003000002, 2000005000002, 2000006000002, 2000007000002, 2000008000002, 2000009000002, 3000000000003, 3000001000003, 3000002000003, 3000003000003, 3000005000003, 3000006000003, 3000007000003, 3000008000003, 3000009000003, 5000000000005, 5000001000005, 5000002000005, 5000003000005, 5000005000005, 5000006000005, 5000007000005, 5000008000005, 5000009000005, 6000000000006, 6000001000006, 6000002000006, 6000003000006, 6000005000006, 6000006000006, 6000007000006, 6000008000006, 6000009000006, 7000000000007, 7000001000007, 7000002000007, 7000003000007, 7000005000007, 7000006000007, 7000007000007, 7000008000007, 7000009000007, 8000000000008, 8000001000008, 8000002000008, 8000003000008, 8000005000008, 8000006000008, 8000007000008, 8000008000008, 8000009000008, 9000000000009, 9000001000009, 9000002000009, 9000003000009, 9000005000009, 9000006000009, 9000007000009, 9000008000009, 9000009000009, 10000000000001, 10000011000001, 10000022000001, 10000033000001, 10000055000001, 10000066000001, 10000077000001, 10000088000001, 10000099000001, 11000000000011, 11000011000011, 11000022000011, 11000033000011, 11000055000011, 11000066000011, 11000077000011, 11000088000011, 11000099000011, 12000000000021, 12000011000021, 12000022000021, 12000033000021, 12000055000021, 12000066000021, 12000077000021, 12000088000021, 12000099000021, 13000000000031, 13000011000031, 13000022000031, 13000033000031, 13000055000031.

Some larger examples :