6144/6125

Interval information

Ratio	6144/6125
Factorization	211 × 3 × 5-3 × 7-2
Monzo	[11 1 -3 -2⟩
Size in cents	5.362046¢
Name	porwell comma
Color name	srrg31, sarurutrigu 1sn, Sarurutrigu comma
FJS name	[math]\displaystyle{ \text{d1}_{5,5,5,7,7} }[/math]
Special properties	reduced
Tenney height (log2 nd)	25.1655
Weil height (log2 max(n, d))	25.1699
Wilson height (sopfr(nd))	54
Comma size	small
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6144/6125, the porwell comma, is a 7-limit small comma measuring about 5.4 cents. It is the amount by which a stack of two 35/32's falls short of 6/5, and the amount by which a stack of two 48/35's exceeds 15/8.

Temperaments

Tempering out this comma alone in the 7-limit leads to the porwell temperament. See Porwell family for the family of rank-3 temperaments where it is tempered out. See Porwell temperaments for a collection of rank-2 temperaments where it is tempered out.

Etymology

The porwell comma was named by Gene Ward Smith in 2010. It is the concatenation of porcupine and orwell.

See also

• Small comma