# isPow2Uint32 > Test whether an unsigned integer is a power of 2.
## Usage ```javascript var isPow2Uint32 = require( '@stdlib/math/base/assert/uint32-is-pow2' ); ``` #### isPow2Uint32( x ) Tests whether `x` is a power of 2. ```javascript var bool = isPow2Uint32( 2 ); // returns true bool = isPow2Uint32( 5 ); // returns false ```
## Examples ```javascript var isPow2Uint32 = require( '@stdlib/math/base/assert/uint32-is-pow2' ); var i; for ( i = 0; i < 100; i++ ) { console.log( 'isPow2( %d ) = %s', i, isPow2Uint32( i ) ); } ```