131072/130321: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Ratio = 131072/130321
| Ratio = 131072/130321
| Name = Undecivesimal diminished comma, Hunt 19-cycle comma  
| Name = Undevicesimal diminished comma, Hunt 19-cycle comma  
| Color name = s19u<sup>4</sup>-2, Saquadnu comma
| Color name = s19u<sup>4</sup>-2, Saquadnu comma
| Comma = yes
| Comma = yes

Revision as of 17:15, 5 February 2025

Interval information
Ratio 131072/130321
Subgroup monzo 2.19 [17 -4
Size in cents 9.947935¢
Names Undevicesimal diminished comma,
Hunt 19-cycle comma
Color name s19u4-2, Saquadnu comma
FJS name [math]\displaystyle{ \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
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.

It is tempered out by any edo divisible by 4 up to 240.