1069

This number is a prime.

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The first "double" super-2 emirp, i.e., an emirp p such that 2*p^2 contains twice 2 consecutive 2's in its decimal representation (2*p^2=2285522). [Loungrides]

Submitted: 2010-05-29 22:23:07;   Last Modified: 2010-05-30 14:39:38.
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