The book is now available! 138
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ Concatenate the first two prime factors of 138 to get the third. [Cramer]

+ 138 is the only three-digit number m such that pi(m) and prime(m) are palindromic numbers. [Firoozbakht]

+ Arithmetic mean of the first eighteen emirps. [Bajpai]

(There are 4 curios for this number that have not yet been approved by an editor.)




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