The book is now available! 21397
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ The largest prime whose square contains no duplicate digits: 213972 = 457831609. [Beedassy]

+ The only distinct-digit 5-digit prime whose the square is a distinct-digit number, i.e., 21397^2 = 457831609. [Loungrides]




Prime Curios! © 2000-2018 (all rights reserved)  privacy statement