Nat
The unit of information obtained by using the natural logarithm lnx instead of the base-2 logarithm log_2x=lgx when defining entropy and related information theoretic functions. When lgx is used instead, information content is obtained in the more convenient unit of bits.
See also
Entropy, Mutual Information, Relative EntropyExplore with Wolfram|Alpha
WolframAlpha
Cite this as:
Weisstein, Eric W. "Nat." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Nat.html