Catasyc comma

Revision as of 02:00, 11 February 2026 by Xenllium (talk | contribs) (Created page with "{{Infobox interval | Ratio = 390625/387072 | Name = catasyc comma | Color name = Lry<sup>8</sup>-3, <br>laruquadbiyo negative 3rd | Comma = yes }} '''390625/387072''', the '''catasyc comma''' is a 7-limit interval measuring about 15.8¢. It forms the difference between three 25/24s and one 28/25. == Temperaments == Tempering out this comma alone in the 7-limit leads to the rank-3 catasyc temperament. Rank-2 temperaments which temper out this comma i...")
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390625/387072, the catasyc comma is a 7-limit interval measuring about 15.8¢. It forms the difference between three 25/24s and one 28/25.

Interval information
Ratio 390625/387072
Factorization 2-11 × 3-3 × 58 × 7-1
Monzo [-11 -3 8 -1
Size in cents 15.8188¢
Name catasyc comma
Color name Lry8-3,
laruquadbiyo negative 3rd
FJS name [math]\displaystyle{ \text{dddd}{-3}^{5,5,5,5,5,5,5,5}_{7} }[/math]
Special properties reduced
Tenney norm (log2 nd) 37.1377
Weil norm (log2 max(n, d)) 37.1508
Wilson norm (sopfr(nd)) 78
Comma size small
Open this interval in xen-calc

Temperaments

Tempering out this comma alone in the 7-limit leads to the rank-3 catasyc temperament. Rank-2 temperaments which temper out this comma include catakleismic, sycamore, semaja, muggles and cotritone.

See also