19999...99999 (786-digits)
This number is a prime.
The largest non-titanic near-repdigit prime of the form
p=2*10^n-1 (n=785). [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The largest non-titanic near-repdigit prime of the form
p=2*10^n-1 (n=785). [Loungrides]