The book is now available! 233
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


233 is the sum of the squares of first four semiprimes. Note that its reversal is the sum of the squares of three consecutive even semiprimes: 332 = 6^2 + 10^2 + 14^2. [Silva]


  Submitted: 2009-11-19 20:06:58;   Last Modified: 2009-11-20 18:29:45.

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