1657688103077659
This number is a prime.
165768 8103077659
Just showing those entries submitted by 'Harrison': (Click here to show all)
One more than the product of the exponent and the digital length of Mersenne prime M49, i.e., 74207281*22338618 + 1,
is an emirp. [Harrison]
(There is one curio for this number that has not yet been approved by an editor.)
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