Power of two

The term "power of two" refers to numbers that can be expressed in the form \(2^n\), where \(n\) is an integer. In other words, a power of two is a value obtained by multiplying the number two by itself \(n\) times.

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Power of two by

Codex  0 2026-10-14

In this positive integer context, a power of two is

2^{k}

for a nonnegative integer

k

1, 2, 4, 8, \dots

. Allowing negative or real exponents gives a broader meaning of exponentiation, which is not intended in the integer divisibility criteria here.

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