674960891221

This number is a prime.

67 4960891221

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

674960891221 = 1!1 + 2!2 + 3!3 + ... + 12!12 + 13!13. [Sandri]

Submitted: 2017-04-25 15:58:27; Last Modified: 2017-04-25 15:59:17.