3121
This number is a prime.
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The only non-titanic emirp of form x^x-x+1, case x=5. Note
that there are only two other primes, (x=2, x=13) that
create non-titanic primes of this form. [Loungrides]
Submitted: 2013-04-18 08:35:17; Last Modified: 2020-07-27 21:22:21.
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