The book is now available! 57
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share/Bookmark
+ pi(57) = 24 and 5757 - 24 is prime. [Noll]

+ 57 x 225 - 1 is prime. [Noll]

+ 57 + (100 * 2n) are primes for n = -1, 0, 1, 2, 3, 4, and 5. [Luhn]

+ Every number greater than 57 is (probably) the sum of distinct primes greater than eleven. [Capelle]

+ 57*21828 + 1 is a Proth prime as well as a generalized Cullen prime. [Wesolowski]

(There is one curio for this number that has not yet been approved by an editor.)



Prime Curios! © 1999-2013 (all rights reserved)