This number is a prime.

Single Curio View:   (Seek other curios for this number)
One more than the product of the digits of the digital length of Mersenne prime M47 (i.e., 1*2*9*7*8*1*8*9 + 1) is an emirp. M47 is the largest known Mersenne prime to exhibit this property. [Harrison]

Submitted: 2020-07-24 07:30:24;   Last Modified: 2020-07-24 10:19:31.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell