389
This number is a prime.
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The only 3-digit Hyper-Cullen 2nd species prime (emirp),
i.e., a prime of form n*2^n+(n-1), case n=6. [Loungrides]
Submitted: 2014-07-03 19:09:12; Last Modified: 2018-04-03 03:39:35.
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