Mercurial comma

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Interval information
Ratio 61902475/61842666
Subgroup monzo 2.3.5.19.1373.7507 [-1 -1 2 5 -1 -1
Size in cents 1.673494¢
Name(s) missing ? 
FJS name [math]\displaystyle{ \text{m2}^{5,5,19,19,19,19,19}_{1373,7507} }[/math]
Special properties reduced
Tenney height (log2 nd) 51.7656
Weil height (log2 max(n, d)) 51.767
Wilson height (sopfr(nd)) 8990
Open this interval in xen-calc

557122275/556583994, or 1.673649 cents, is the amount by which five justly tuned 19/17's and two 15/14's exceeds an octave. As the ratio between these intervals is very close to phi, this is a strong harmonic entropy minimum in the golden meantone sequence, particularly well suited to stringed instruments that are normally tuned with slight octave stretches due to the inharmonicity of their partials.