Undevicesimal counterschisma

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Revision as of 11:25, 29 May 2025 by Xenllium (talk | contribs) (Created page with "{{Infobox Interval | Ratio = 717897987691852588770249 / <br>717799705396186072481792 | Monzo = -75 50 0 0 0 0 0 -1 | Name = undevicesimal counterschisma | Color name = L<sup>7</sup>19u-6, seplanu negative 6th | Comma = yes }} The '''undevicesimal counterschisma''' is a 19-limit unnoticeable comma measuring about 0.24 cents. While the undevicesimal schisma (513/512) is the difference between the Pythagorean minor third (32/27) and the 19/1...")
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Interval information
Ratio 717897987691852588770249 /
717799705396186072481792
Subgroup monzo 2.3.19 [-75 50 -1⟩
Size in cents 0.2370271¢
Name undevicesimal counterschisma
Color name L719u-6, seplanu negative 6th
FJS name [math]\displaystyle{ \text{7d}{-6}_{19} }[/math]
Special properties reduced
Tenney height (log2 nd) 158.496
Weil height (log2 max(n, d)) 158.496
Wilson height (sopfr(nd)) 319
Comma size unnoticeable
Open this interval in xen-calc

The undevicesimal counterschisma is a 19-limit unnoticeable comma measuring about 0.24 cents. While the undevicesimal schisma (513/512) is the difference between the Pythagorean minor third (32/27) and the otonal minor third (19/16), the undevicesimal counterschisma, in contrast, is the difference between 25 Pythagorean whole tones and the 19th harmonic, or equivalently stated, the difference between the 53-comma and the undevicesimal schisma.

Etymology

This comma was named by Xenllium in 2025.

See also

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