63/40
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| Ratio | 63/40 |
| Factorization | 2-3 × 32 × 5-1 × 7 |
| Monzo | [-3 2 -1 1⟩ |
| Size in cents | 786.42219¢ |
| Name | narrow minor sixth |
| Color name | zg6, zogu 6th |
| FJS name | [math]\text{m6}^{7}_{5}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 11.2992 |
| Weil height (log2 max(n, d)) | 11.9546 |
| Wilson height (sopfr (nd)) | 24 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~4.57263 bits |
| open this interval in xen-calc | |
The narrow minor sixth (frequency ratio 63/40) is a 7-limit interval which is well approximated in several equal step tunings, most notably 198edo.