29999...99999 (911-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

Single Curio View:   (Seek other curios for this number)
The smallest prime whose sum of digits is 8191, the fifth Mersenne prime. [Gupta]

Submitted: 2019-02-17 10:10:22;   Last Modified: 2019-02-17 15:30:06.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell