Jisho

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Noun
1. number theoryMathematics
Noun
2. Samkhya (school of Indian philosophy)See also サーンキヤ学派
Wikipedia definition
3. Number theoryNumber theory (or arithmetic) is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well as the properties of objects made out of integers or defined as generalizations of the integers (such as, for example, algebraic integers). Integers can be considered either in themselves or as solutions to equations.
Read “Number theory” on English Wikipedia
Read “数論” on Japanese Wikipedia
Read “Number theory” on DBpedia

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