131072/130321
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| Ratio | 131072/130321 |
| Subgroup monzo | 2.19 [17 -4⟩ |
| Size in cents | 9.9479355¢ |
| Names | Undecivesimal Diminished Comma, Hunt 19-cycle comma |
| FJS name | [math]\text{d}{-2}_{19,19,19,19}[/math] |
| Special properties | reduced, reduced subharmonic |
| Tenney height (log2 nd) | 33.9917 |
| Weil height (log2 max(n, d)) | 34 |
| Wilson height (sopfr(nd)) | 110 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~2.07049 bits |
| Comma size | small |
| open this interval in xen-calc | |
131072/130321, known as the Undevicesimal Diminished Comma, is a 19-limit small comma that marks the difference between four 19/16 minor thirds and the octave. This comma can be used in various subgroups to generate highly accurate quarter-octave period temperaments.
Equal temperaments that temper out this comma in the 19-limit include 8, 12, 16, 20, 32, 80, and 92.