6655/6561

Interval information

Ratio	6655/6561
Factorization	3-8 × 5 × 113
Monzo	[0 -8 1 0 3⟩
Size in cents	24.62753 ¢
Name	deneb comma
Color name	Satrilo-ayo unison, s1o3y1
FJS name	[math]\displaystyle{ \text{d1}^{5,11,11,11} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	25.3799
Weil norm (log2 max(n, d))	25.4004
Wilson norm (sopfr(nd))	62
Comma size	small
Open this interval in xen-calc

6655/6561, the deneb comma is a small 11-limit comma measuring 24.628 cents. It is the amount by which three 11/9s exceed 9/5.

Temperaments

Tempering out this comma in the 3.5.11 subgroup leads to the non-octave deneb temperament. It is also one of the commas tempered out in hitchcock temperament.

Etymology

This comma was named by CompactStar in 2026 in terms of the corresponding temperament, deneb.