4224

This number is a composite.

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

+ A 4-digit palindrome whose digits describe the number of prime factors (with multiplicity) in each of the following 4 integers. [Gaydos]

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