100/81
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| Ratio | 100/81 |
| Factorization | 22 × 3-4 × 52 |
| Monzo | [2 -4 2⟩ |
| Size in cents | 364.80742¢ |
| Name | grave major third |
| Color name | yy3, yoyo 3rd |
| FJS name | [math]\text{M3}^{5,5}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 12.9837 |
| Weil height (log2 max(n, d)) | 13.2877 |
| Wilson height (sopfr (nd)) | 26 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~4.24595 bits |
| open this interval in xen-calc | |
100/81, the grave major third, is 81/80, a syntonic comma flat of 5/4 and 325/324 sharp of 16/13, as well as being just 1701/1700 flat of the interval 21/17. It is obtained by stacking two 10/9 small whole tones.