Nether comma

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Interval information
Ratio 14348907/13107200
Factorization 2-19 × 315 × 5-2
Monzo [-19 15 -2
Size in cents 156.69759¢
Name nether comma
Color name LLgg1, lala-gugu unison
FJS name [math]\text{A1}_{5,5}[/math]
Special properties reduced
Tenney height (log2 nd) 47.4183
Weil height (log2 max(n, d)) 47.5489
Wilson height (sopfr (nd)) 93
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~4.23414 bits
Comma size large
open this interval in xen-calc

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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