The book is now available! 61
(just those submitted by Rupinski)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The least prime such that its square can be expressed as the sum of one, two, three, or four distinct squares: 612 = 602 + 112 = 522 + 242 + 212 = 562 + 222 + 102 + 12. [Rupinski]




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