1+Sum of primes^-1 * (-1)^(PI)

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SUMMARY

The series presented, defined as 1 + ∑_{p=primes}^{∞} (-1)^{π}/p, is a mathematical expression involving the prime counting function π. This series converges to a constant known as the alternating sum of the reciprocals of the primes. The discussion confirms that the series is not divergent, and the constant can be linked to the Riemann zeta function at specific values. The reference to MathWorld provides additional context and validation for the series' properties.

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Matt Benesi
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Is this series divergent and what is its name? If the series is not divergent, what is the constant named? Note that [itex]\pi[/itex] is the prime counting function, or number of primes.

[tex]1+\sum_{p=primes}^{\infty}\frac{(-1)^{\pi}}{p}={1}-\frac{1}{2}+\frac{1}{3}-\frac{1}{5}+\frac{1}{7}-\frac{1}{11}...[/tex]

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