127/72

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Interval information
Ratio 127/72
Monzo [-3,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1
Size in cents 982.511622396
Name(s) harmonic/Pythagorean minor seventh meantone
Color name 127o7

In Just Intonation, 127/72 is the frequency ratio between the 127th and the 72th harmonic.

It is the mean between the harmonic seventh and the Pythagorean minor seventh: (7/4 + 16/9)/2 = 127/72.

It can also be calculated from the septimal comma: ((64/63 - 1)/2 + 1)⋅(7/4) = 127/72.


Its factorization into primes is 2-3⋅3-2⋅127; its FJS name is m7127.