The book is now available! 2531
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ This prime permutes the first 4 noncomposite digits, and inserting operators becomes 2^53 - 1 = 9007199254740991; the largest prime that is currently supported by this site's JavaScript program. [Post]

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

Prime Curios! © 2000-2018 (all rights reserved)