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Interval information
Ratio 3645/3584
Factorization 2-9 × 36 × 5 × 7-1
Monzo [-9 6 1 -1
Size in cents 29.217813¢
Name Schismean comma
Color name Lry-2, Laruyo negative 2nd
FJS name [math]\text{d}{-2}^{5}_{7}[/math]
Special properties reduced
Tenney height (log2 nd) 23.6391
Weil height (log2 max(n, d)) 23.6634
Wilson height (sopfr (nd)) 48
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~4.42785 bits
Comma size small
open this interval in xen-calc

The schismean comma (monzo: [-9 6 1 -1, ratio: 3645/3584) is a small 7-limit comma measuring about 23.6 cents. It was named by Xenllium in 2022.

It is the difference between three major whole tones and a small septimal tritone, or in other words, (9/8)3/(7/5).