151

This number is a prime.

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The primes 151 and 809 are a pair of primes such that 151 divides (2+3+…+809) = 50887 = 151*337 and 809 divides (2+3+…+151) = 2427 = 3*809. [Rivera]

The smallest prime having 5 consecutive primes of form p+10^x; the first x greater than 1: x={2,3,4,5,6}. [Rivera]