29

This number is a prime.

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29 is the second integer parameter n₂ in Gilson's formula α(n₁, n₂) = n₂cos(π/n₁)tan(π/(n₁n₂))/π for the value of the fine structure constant α = α(137, 29) = 0.0072973525318....

Submitted: 2002-07-31 09:21:47; Last Modified: 2008-01-30 17:28:00.