1279

This number is a prime.

Just showing those entries submitted by 'Gupta': (Click here to show all)

+ The smallest prime whose rearrangement of digits gives the famous Hardy-Ramanujan number (1729). [Gupta]

+ The smallest prime that remains prime for D= 0, 2, 4, 6 and 8 in 1D2D7D9. [Gupta]

+ The smallest prime (emirp also) p such that p and p^2 contain all digits from 1 to 9. [Gupta]

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