The book is now available! 1277
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ The smallest 4-digit prime p such that the differences between the five consecutive primes starting with p are (2,4,6,2). [Russo]

+ The smallest prime formed by concatenating n double Mersenne primes (7, 127). Note that 7127 is also a prime. [Loungrides]

+ The smallest prime number whose sum of digits equals the sum of digits of its digital product. [Gaydos]

(There are 2 curios for this number that have not yet been approved by an editor.)




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