1763922631
This number is a prime.
The sum of the first 16 primes, where each prime is powered
by the MEAN of its digits, and then the total is rounded to
nearest integer, (2^2 + 3^3 + 5^5 + 7^7 +
11^1 + 13^2 + 17^4 + 19^5 + 23^(5/2) + 29^(11/2) + 31^2 +
37^5 + 41^(5/2) + 43^(7/2) + 47^(11/2) + 53^4), is an emirp. [Suzanna]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell