10019689

This number is a prime.

+ The smallest balanced invertible prime containing all the invertible digits {0, 1, 6, 8, 9} that has equal number of 1's and 0's in base 2: (100110001110001101101001). [Bajpai]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell