The book is now available! 10213
(just those submitted by Earls)
Prime Curios!
Curios: Curios Search:


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

+ Using 10213 as the starting term for the RATS algorithm: Reverse Add Then Sort the digits, leads to a 72 term sequence ending with the prime 5566666666666666666667777. This is the longest sequence produced for all starting integers < 20000 using the prime stopping criterion. [Earls]

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