The book is now available! 3911
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ A baseball emirp: 3911 is an emirp, even if we append or prepend a 3 or 9. Three strikes and you're out, for 9 innings. [Post]

(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