The book is now available! 99999999933377777771
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

                                                       9999999993 3377777771
+ The only prime consisting of every digit d in which multidigit primes end, repeated d times. Note that the order in which each digit d occurs (i.e., 9371) corresponds to the largest prime with every distinct digit d. [Beedassy]

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