In mathematics, a Cullen number is a member of the integer sequence C n = n ⋅ 2 n + 1 {\displaystyle C_{n}=n\cdot 2^{n}+1} (where n {\displaystyle n} is a natural number). Cullen numbers were first studied by Irish mathematician James Cullen in 1905.
In mathematics, a Cullen number is a member of the integer sequence C n = n ⋅ 2 n + 1 {\displaystyle C_{n}=n\cdot 2^{n}+1} (where n {\displaystyle n} is a natural number). Cullen numbers were first studied by Irish mathematician James Cullen in 1905.
Source: Wikipedia "Cullen number" · CC BY-SA 4.0
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