characteristic of a logarithm
In mathematics and computing, the integer part of a logarithm (the part before the decimal point). Contrasts with the mantissa.
The characteristic of a logarithm refers to the integer part of a common logarithm.
In computer science, the characteristic of a logarithm is sometimes used to find the number of digits of a number.
Compound of 対数 (logarithm) + の (possessive particle) + 指数 (index/exponent). The term directly translates the English mathematical term 'characteristic of a logarithm'.