535199981

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The largest prime p such that the digit 1 appears exactly p times among all positive integers not exceeding p. [Rivera]

Submitted: 2018-08-31 21:23:42;   Last Modified: 2018-09-01 13:11:06.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell