Fifive comma

Interval information

Ratio	9765625/9565938
Factorization	2-1 × 3-14 × 510
Monzo	[-1 -14 10⟩
Size in cents	35.76713¢
Name	fifive comma
Color name	sy10-2, saquinbiyo negative 2nd
FJS name	[math]\displaystyle{ \text{ddd}{-2}^{5,5,5,5,5,5,5,5,5,5} }[/math]
Special properties	reduced
Tenney height (log2 nd)	46.4088
Weil height (log2 max(n, d))	46.4386
Wilson height (sopfr(nd))	94
Comma size	medium
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The fifive comma is a 5-limit interval with a width of about a third of a semitone. It is the amount that a stack of 5 27/25s exceeds 3/2 by, and also the amount by which a stack of 10 5/3s exceeds harmonic 162.

Tempering out this interval leads to the fifive family of temperaments, where the perfect fifth is divided into 5 equal parts and the octave is split in half. 26edo and 34edo are two notable examples of edos that support the basic 5-limit temperament in this family, simply known as fifive.