161983

This number is a prime.

Just showing those entries submitted by 'Bajpai': (Click here to show all)

+ The smallest Happy emirp that is the sum of first n Happy primes, i.e., (7 + 13 + 19 + ... + 3709 + 3779), (case n=95). [Bajpai]

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