The book is now available! 123457
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

The hardware and software on this system was updated September 4th.  Please let me know of any problem you encounter. <>

+ When you remove the penultimate (next to the last) digit of 123457 you will end up with yet another prime. Repeat the process for four more primes. [Brod]

+ The smallest prime formed from the first six imperfect numbers in order. [Beedassy]

Prime Curios! © 2000-2014 (all rights reserved)