5
This number is a prime.
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The only greater of twin primes, written in base 6, not to
end with the digit 1. Because all but the first greater of
twin primes is of the form 6n+1, hence ends with (base 6)
the digit 1. [Post]
Submitted: 2009-10-14 22:04:36; Last Modified: 2009-10-14 23:15:56.
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