180/161
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| Ratio | 180/161 |
| Subgroup monzo | 2.3.5.7.23 [2 2 1 -1 -1⟩ |
| Size in cents | 193.12346¢ |
| Name | inverse-arithmetic meantone |
| Color name | 23ury1, twethuruyo unison |
| FJS name | [math]\text{M2}^{5}_{7,23}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 14.8228 |
| Weil height (log2 max(n, d)) | 14.9837 |
| Wilson height (sopfr(nd)) | 45 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~4.20621 bits |
| open this interval in xen-calc | |
180/161, the inverse-arithmetic meantone, is a 23-limit ratio measuring about 193 cents. It is the inverse-arithmetic mean of 9/8, the Pythagorean whole tone, and 10/9, the classical whole tone, hence the name.