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 10:58:27;   Last Modified: 2017-04-25 10:59:17.
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