# Antilogarithm

From Encyclopedia of Mathematics

*of a number $n$*

The number $N$, denoted by $\operatorname{ant\,log}_a n$, the logarithm of which to the base $a$ is equal to $n$. Thus,

$$\operatorname{ant\,log}_a n=N=a^n,$$

or

$$\log_a N=n.$$

Antilogarithms are also called inverse logarithms.

**How to Cite This Entry:**

Antilogarithm.

*Encyclopedia of Mathematics.*URL: http://www.encyclopediaofmath.org/index.php?title=Antilogarithm&oldid=40767