The book is now available! 132
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ 132 and its reversal (231) are both divisible by the prime 11 (132/11 = 12, 231/11 = 21). Note that the resulting quotients are also reversals. [Gevisier]

+ The concatenation of its three distinct prime factors (2, 3, and 11) forms primes in three ways: 2311, 2113, and 1123. [Trotter]

+ pi(132) = 11 + 33 + 22. [Firoozbakht]

+ The smallest composite number such that all its digits are necessary to write its prime factors. [Capelle]

(There are 7 curios for this number that have not yet been approved by an editor.)




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