# 2111

This number is a prime.

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

2111 is the smallest start of a run of five primes obtained by the following procedure: replace each digit of 2111 with the digit's square to obtain a new prime, and up to five primes doing this recursively, i.e., 2111, 4111, 16111, 136111 and 1936111. [Rivera]

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