3049

This number is a prime.

+ 3049 remains prime for D = 0 to 4 in 3D0D4D9, i.e., 3000409, 3101419, 3202429, 3303439, 3404449. [Rivera]

+ Including zero and the negative numbers, there are a total of 3049 integers with digits in strictly ascending order, strictly descending order, or (for the single digit numbers) both. [Gaydos]

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