128/77
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Ratio
128/77
Factorization
27 × 7-1 × 11-1
Monzo
[7 0 0 -1 -1⟩
Size in cents
879.8562¢
Names
keenanismic major sixth,
octave-reduced 77th subharmonic
Color name
1ur6, luru 6th
FJS name
[math]\text{M6}_{7,11}[/math]
Special properties
reduced,
reduced subharmonic
Tenney height (log2 nd)
13.2668
Weil height (log2 max(n, d))
14
Wilson height (sopfr(nd))
32
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~3.93978 bits
[sound info]
open this interval in xen-calc
| Interval information |
octave-reduced 77th subharmonic
reduced subharmonic
(Shannon, [math]\sqrt{nd}[/math])
[sound info]
128/77, the keenanismic major sixth or octave-reduced 77th subharmonic, is an interval that is 385/384 (4.5 cents) flatter than 5/3. It is almost exactly 1/7th of a cent flatter than the 880 cent major sixth of 15edo.
See also
- 77/64 – its octave complement
- Gallery of just intervals