The book is now available! 368
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ 3^3 - 6^6 + 8^8 is a prime with length pi(pi(pi(368))). Note there is only one composite and one prime with this property. [Firoozbakht]

(There are 2 curios for this number that have not yet been approved by an editor.)

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