Euler's totient function

English

Etymology

Named after Swiss mathematician Leonhard Euler (1707–1783).

Proper noun

Euler's totient function

1. (number theory) The function that calculates the total number of integers below a given integer that are coprime to it.

Usage notes

• Usually denoted with the Greek letter phi (${\displaystyle \phi }$ or ${\displaystyle \varphi }$).

Related terms

• Euler's formula

Translations

number theory

Finnish: Eulerin φ-funktio French: L'indicatrice d'Euler German: Eulersche Phi-Funktion Icelandic: phi-fall Eulers n Italian: funzione phi di Eulero f Japanese: オイラーのφ関数 Polish: funkcja φ f, tocjent m Russian: фу́нкция Э́йлера f (fúnkcija Éjlera) Spanish: función fi de Euler f Swedish: Eulers phi-funktion Vietnamese: hàm phi Euler

Further reading

• Euler's totient function on Wikipedia.Wikipedia