1097393351

This number is a prime.

+ The largest emirp that can be represented as the sum of the largest number n of distinct repdigit numbers using d times each digit d, (case n=7), i.e., 22+4444+55555+666666+7777777+88888888+999999999=1097393351. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell