2111

This number is a prime.

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

+ The smallest prime that together with its "look-and-say" description from the left in the digit-frequency order (i.e., 2 once, 1 thrice) forms a twin prime pair (2111, 2113) [Beedassy]

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