131072/130321

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
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~2.07049 bits
Comma size	small
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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, or between four Boethius commas (513/512) and a Pythagorean comma. 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.