The book is now available! 172
(just those submitted by Thoms)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ 172 is the only byte whose binary representation contains a 1 at bit n iff n is prime (17210 = 101011002). [Thoms]




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