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Interval information
Ratio 6144/6125
Factorization 211 × 3 × 5-3 × 7-2
Monzo [11 1 -3 -2
Size in cents 5.3620463¢
Name porwell comma
Color name srrg31,
sarurutrigu unison
FJS name [math]\text{d1}_{5,5,5,7,7}[/math]
Special properties reduced
Tenney height (log2 n⋅d) 25.1655
Weil height (max(n, d)) 6144
Benedetti height (n⋅d) 37632000
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~2.52158 bits
Comma size small
open this interval in xen-calc

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.


Tempering out this comma leads to the porwell family of temperaments.

See also