751

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The only known emirp n such that p = n*2^n-1 is a Woodall prime. [Loungrides]

+ The smallest prime (emirp) that can be represented as the product of first n positive multiples of 5 plus 1, i.e., 5*10*15+1. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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