13
This number is a prime.
Single Curio View: (Seek other curios for this number)
sod(M14 exponent) = sod(M17 exponent) = sod(M18 exponent) = sod(M20 exponent) = 13. [Harrison]
Submitted: 2019-01-29 20:43:56; Last Modified: 2019-01-30 22:49:21.
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