Enneadecacot comma

Interval information

Factorization	279 × 3-22 × 5-19
Monzo	[79 -22 -19⟩
Size in cents	17.02942¢
Name	enneadecacot comma
Color name	tribisa-negu octave, s6g198 Tribisa-negu comma
FJS name	[math]\displaystyle{ \text{14d8}_{5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5} }[/math]
Special properties	reduced, reduced subharmonic
Tenney height (log2 nd)	157.986
Weil height (log2 max(n, d))	158
Wilson height (sopfr(nd))	319
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~3.31706 bits
Comma size	small
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The enneadecacot comma is a 5-limit small comma measuring roughly 17 cents. Tempering it in the 5-limit results in the rank-2 enneadecacot temperament, a microtemperament dividing the perfect fifth into 19 ampersand commas, with its generator chain resembling a stretched 32edo or compressed 33edo.

Etymology

The comma was first named in 2024 by CompactStar. It is so named because the associated temperament divides the perfect fifth into 19 equal parts.