1) Antilog 2) Logarithm 3) Number 4) Numeral 1) Antilog 
number of which a given number is the logarithm
• (n.) The number corresponding to a logarithm. The word has been sometimes, though rarely, used to denote the complement of a given logarithm; also the logarithmic cosine corresponding to a given logarithmic sine.
(from the article `logarithm`) ... by looking up each number`s logarithm in a special table, adding the logarithms together, and then consulting the table again to find the number ...
An`ti·log'a·rithm noun (Math.) The number corresponding to a logarithm. The word has been sometimes, though rarely, used to denote the complement of a given logarithm; also the logarithmic cosine corresponding to a given logarithmic sine. -- 
[n] - the number of which a given number is the logarithm
antilog noun the number of which a given number is the logarithm
the number of which a given number is the logarithm; antilog