This number is a composite.

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

+ Smallest self-describing semiprime after the trivial 22. This number does (as it says) have one 0, one 8, three 1's, and three 3's, and is semiprime since 647 * 15739. [Post]

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