Etymology

totient

T1O1T1I1E1N1T1

Today it means: The number of positive integers not greater than a specified integer that are relatively prime to it. Full definition →

Latin totiēns
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The story

  1. Latin · derived fromtotiēns“so many times, so often”
  2. English todaytotient

From Latin totiēns (“so many times, so often”). Coined by English mathematician James Joseph Sylvester in 1879.

Etymology from Wiktionary, CC BY-SA 4.0.