133

This number is a composite.

Single Curio View:   (Seek other curios for this number)
The sum of the first three squares of semiprimes is itself a semiprime, and this is the first such sum with this property: 133 = 4^2 + 6^2 + 9^2 = 7 * 19. [Post]

Submitted: 2004-10-24 23:22:25;   Last Modified: 2009-10-09 18:39:33.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell