We just completed a major update. Let us know if anything is not working.

# 11172427111

This number is a prime.

1 1172427111

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

The smallest palindromic prime such that the square of the sum of its digits equals the product of its digits. [Rivera and De Geest]

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