The book is now available! 0.66974
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ D. Shanks estimated in 1961 that the number of primes of the form n4 + 1 with n less than or equal to N is approximately 0.66974 li(N) where li(N) is the logarithmic integral. [Post]

  To link to this page use /curios/page.php?number_id=5500

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