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[!IMPORTANT]
Documentation Update: Product documentation previously located in /website has moved to the hashicorp/web-unified-docs repository, where all product documentation is now centralized. Please make contributions directly to web-unified-docs, since changes to /website in this repository will not appear on developer.hashicorp.com. ⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️

log Function

log returns the logarithm of a given number in a given base.

log(number, base)

Examples

> log(50, 10)
1.6989700043360185
> log(16, 2)
4

log and ceil can be used together to find the minimum number of binary digits required to represent a given number of distinct values:

> ceil(log(15, 2))
4
> ceil(log(16, 2))
4
> ceil(log(17, 2))
5