128/77
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| Ratio | 128/77 |
| Factorization | 27 × 7-1 × 11-1 |
| Monzo | [7 0 0 -1 -1⟩ |
| Size in cents | 879.85615¢ |
| Names | keenanismic major sixth, octave-reduced 77th subharmonic |
| Color name | 1ur6, luru 6th |
| FJS name | [math]\text{M6}_{7,11}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 13.2668 |
| Weil height (log2 max(n, d)) | 14 |
| Wilson height (sopfr (nd)) | 32 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~4.39636 bits |
[sound info] | |
| open this interval in xen-calc | |
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