11131...99721 (44-digits)

This number is a prime.

1113 1719232931 3741434753 5961677173 7983899721

Single Curio View: (Seek other curios for this number)

This prime also contains a mnemonic trick. It can be read in the following way: the two-digit primes 11, 13, 17,...,97, are 21 in number. [Silva]

Submitted: 2010-06-29 12:27:34; Last Modified: 2010-12-14 19:27:49.