Talk:Ramanujan summation

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${\displaystyle 2+3+5+7+11+\cdots =24133(\Re )}$

holds as well, but I haven't any article to take citation from. It is P(-1), where P(x) is Prime zeta function (http://mathworld.wolfram.com/PrimeZetaFunction.html).

This is hard to believe. Sums of integers are usually 0 (e.g. 1+4+9+16+...), fractions (e.g. 1+2+3+4+...) or irrational (e.g. 1+2+6+24+...). How did you arrive at that specific integer? I computed a value of 2.92... for the sum of prime numbers. Doubledork (talk) 22:03, 30 July 2009 (UTC)[reply]