(Q2641368)

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Landau–Ramanujan constant

constant in number theory

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instance of

mathematical constant

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0.7642236535892206629906987312500923281167905413934095147216866737496146416587328588384015050131312337219372691207925926341874

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defining formula

{\frac {1}{\sqrt {2}}}\quad \prod _{p\equiv 3{\bmod {4}}}\quad \left(1-{\frac {1}{p^{2}}}\right)^{-1/2}={\frac {\pi }{4}}\quad \prod _{p\equiv 1{\bmod {4}}}\quad \left(1-{\frac {1}{p^{2}}}\right)^{1/2}

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WikiProject Mathematics

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28 October 2013

Landau-RamanujanConstant

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imported from Wikimedia project

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Microsoft Academic ID

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Definition:Landau-Ramanujan_Constant

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(Q2641368)

Landau–Ramanujan constant

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