Search a number
sliding n.  and  uban n.

First numbers that belong to both sets:

2, 7, 11, 20, 25, 29, 52, 65, 70, 1000001, 1000010, 2000000, 2000005, 2000050, 5000002, 5000020, 7000000, 10000001, 10000010, 11000000, 20000000, 20000005, 20000050, 25000000, 25000040, 29000000, 40000025, 50000002, 50000020, 52000000, 65000000, 70000000, 1000000001, 1000000010, 1001000000, 1010000000, 2000000000, 2000000005, 2000000050, 2005000000, 2050000000, 5000000002, 5000000020, 5002000000, 5020000000, 7000000000, 10000000001, 10000000010, 10001000000, 10010000000, 11000000000, 20000000000, 20000000005, 20000000050, 20005000000, 20050000000, 22025000000, 25000000000, 25000000040, 25040000000, 29000000000, 40000000025, 40025000000, 50000000002, 50000000020, 50002000000, 50020000000, 52000000000, 65000000000, 70000000000, 1000000000001, 1000000000010, 1000001000000, 1000010000000, 1001000000000, 1010000000000, 2000000000000, 2000000000005, 2000000000050, 2000005000000, 2000050000000, 2005000000000, 2050000000000, 5000000000002, 5000000000020, 5000002000000, 5000020000000, 5002000000000, 5020000000000, 7000000000000, 10000000000001, 10000000000010, 10000001000000, 10000010000000, 10001000000000, 10010000000000, 11000000000000, 20000000000000, 20000000000005, 20000000000050, 20000005000000, 20000050000000, 20005000000000, 20050000000000, 22025000000000, 25000000000000, 25000000000040, 25000040000000, 25040000000000, 29000000000000, 39065060000000, 40000000000025, 40000025000000, 40025000000000, 50000000000002, 50000000000020, 50000002000000, 50000020000000, 50002000000000, 50020000000000, 52000000000000, 65000000000000, 70000000000000.