The book is now available! 2389
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ The smaller of the only two primes resulting from concatenation from two two-digit primes, each of them formed of consecutive digits. [Silva]

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

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