102181
This number is a prime.
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The smallest emirp that is simultaneously super-2 and super-4 emirp, i.e., 2*102181^2=20881913522 and
4*102181^4=436054312340286444484. [Loungrides]
Submitted: 2016-09-28 16:15:03; Last Modified: 2019-07-14 13:35:40.
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