The book is now available! 10000...00001 (31-digits)
(just those submitted by Gupta)
Prime Curios!
Curios: Curios Search:

                                          1 0000000000 0006660000 0000000001

Just showing those entries submitted by 'Gupta': (Click here to show all)

+ A palindromic beastly prime which is surrounded by 13 (infamous as unlucky) zeros on both sides. It was discovered by Harvey Dubner. [Gupta]

Prime Curios! © 2000-2017 (all rights reserved)