This number is a composite.

Single Curio View:   (Seek other curios for this number)
6 is the smallest composite number such that the concatenation (23) as well as the sum (5) of its prime factors are prime. [De Geest]

Submitted: 2003-02-08 17:14:49;   Last Modified: 2008-01-30 11:28:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell