The book is now available! 1066889
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Single Curio View:   (Seek other curios for this number)

 

The smallest invertible prime p containing all of the invertible digits that becomes a Sophie Germain prime q (6889901) when turned upside down. Curiously, p and q can be expressed as the sum of two squares, viz., (835^2 + 608^2) and (1901^2+1810^2) respectively. [Bajpai]

 

  Submitted: 2018-12-16 07:16:03;   Last Modified: 2018-12-16 07:45:28.



Prime Curios! © 2000-2019 (all rights reserved)  privacy statement