128/81

Interval information

Ratio	128/81
Factorization	27 × 3-4
Monzo	[7 -4⟩
Size in cents	792.18¢
Name	Pythagorean minor sixth
Color name	sw6, small wa 6th
FJS name	[math]\displaystyle{ \text{m6} }[/math]
Special properties	reduced, reduced subharmonic
Tenney height (log2 nd)	13.3399
Weil height (log2 max(n, d))	14
Wilson height (sopfr(nd))	26
[sound info]
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128/81 is the Pythagorean minor sixth, at -4 steps on the chain of fifths.

See also

• 81/64 – its octave complement
• Gallery of just intervals
• Pythagorean tuning