1977404881

This number is a prime.

+ The smallest prime P of the form a^b + b^c + d, where a, b, c, d are four consecutive primes containing two twin prime pairs {5, 7} and {11, 13}. Note that P is an emirp also. [Bajpai]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell