powerOf2

public static bool powerOf2(unsigned int x)

true if the specified value is a power of 2 (two) and false otherwise.

Parameters

x

The value to check.

Tests if a number is would be the result of any exponentiation 2ⁿ where n is an integer and the number 2 (two) is the base.

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import System;   Console.log(Math.powerOf2(4)); // true Console.log(Math.powerOf2(5)); // false