20000...00041 (42-digits)

This number is a prime.

20 0000000000 0000000000 0000000000 0000000041

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The only non-titanic prime of form 2*10^p+p, where p is a prime ending with 1. [Loungrides]

Submitted: 2015-07-20 19:14:04; Last Modified: 2018-11-02 13:51:45.