551/550

551/550, the minor chthonovinema is a comma in the 29-limit. It forms the difference between 29/25 (vicesimononal inframinor third) and 22/19.

Interval information

Ratio	551/550
Factorization	2-1 × 5-2 × 11-1 × 19 × 29
Monzo	[-1 0 -2 0 -1 0 0 1 0 1⟩
Size in cents	3.14484¢
Name	Minor chthonovinema
Color name	Twenonolugugu 2nd
FJS name	[math]\displaystyle{ \text{d2}^{19,29}_{5,5,11} }[/math]
Special properties	superparticular, reduced
Tenney norm (log2 nd)	18.2092
Weil norm (log2 max(n, d))	18.2118
Wilson norm (sopfr(nd))	71
Comma size	unnoticeable
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Etymology

The word chthonovinema was introduced by Xenllium in 2024. It is a contraction of chthonic vicesimononal comma into a single word.

See also

• 175/174 – major chthonovinema
• Unnoticeable comma
• List of superparticular intervals