The book is now available! 2696
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
+ The number formed from the first four nonzero digits of the sum of the series (1/2 - 1/3 + 1/5 - 1/7 ...), i.e., the alternating sum of the reciprocals of the primes.




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