Nether comma

Interval information

Ratio	14348907/13107200
Factorization	2-19 × 315 × 5-2
Monzo	[-19 15 -2⟩
Size in cents	156.6976¢
Name	nether comma
Color name	LLgg1, lala-gugu unison
FJS name	[math]\displaystyle{ \text{A1}_{5,5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	47.4183
Weil norm (log2 max(n, d))	47.5489
Wilson norm (sopfr(nd))	93
Comma size	large
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14348907/13107200, the nether comma, is equal to an apotome plus two syntonic commas, putting it on the Syntonic-chromatic equivalence continuum. It is tempered out in the patent vals for edos 7 & 52, creating nethertone, a temperament which has a generator of a flat neutral third, two of which reach a similarly flat 3/2 and 15 octave reduced approximate 5/4.

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