Highest power of 2 less than or equal to given number

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Proof by Strong Induction: $n = 2^a b,\, b\,$ odd, every natural...

Can someone guide me in the right direction on this question? Prove that every $n$ in $\mathbb{N}$ can be written as a product of an odd integer and a non-negative integer...

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c# - How to check if a number is a power of 2 - Stack Overflow

Today I needed a simple algorithm for checking if a number is a power of 2. The algorithm needs to be: Simple Correct for any ulong value. I came up with this simple algorithm: …

Powers of 2 Table - Vaughn's Summaries

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Power of two - Wikipedia

In mathematics, a power of two is a number of the form 2n where n is an integer, i.e. the result of exponentiation with number two as the base and integer n as the exponent. In a context where only integers are considered, n is restricted to non-negative values...