The book is now available! 7331
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ The smallest prime whose conversion from seconds into hours, minutes, and seconds, gives a prime number of hours, minutes, and seconds (7331s = 2h 2m 11s). [Thoms]

+ The largest of only three right-truncatable primes formed by concatenating two double-digit right-truncatable emirps. The others are 3137 and 3797. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)




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