6517

This number is a composite.

Single Curio View: (Seek other curios for this number)

The sum of digits of 6517 = 7^3 * 19 equals its largest prime factor. Both 6^4 + 5^3 + 1^2 + 7^1 and 6! + 5! + 1! + 7! are also primes. [Post]

Submitted: 2009-07-08 06:32:18; Last Modified: 2009-07-08 11:42:30.