MySQL LOG2() Function
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MySQL LOG2() Function

❮ MySQL Functions

Example

Return the base-2 logarithm of a number:

SELECT LOG2(6);
Try it Yourself »

Definition and Usage

The LOG2() function returns the base-2 logarithm of a number.

Note: See also the LOG() function.

Syntax

LOG2(number)

Parameter Values

Parameter Description
number The number to take the base-2 logarithm of. Must be greater than 0

Technical Details

Works in: MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0.3

More Examples

Example

Return the base-2 logarithm of a number:

SELECT LOG2(64);
Try it Yourself »

❮ MySQL Functions