Vorwell comma

Interval information

Factorization	227 × 5-8 × 7-3
Monzo	[27 0 -8 -3⟩
Size in cents	3.01257 ¢
Name	vorwell comma
FJS name	[math]\displaystyle{ \text{ddd2}_{5,5,5,5,5,5,5,5,7,7,7} }[/math]
Special properties	reduced, reduced subharmonic
Tenney norm (log2 nd)	53.9975
Weil norm (log2 max(n, d))	54
Wilson norm (sopfr(nd))	115
Comma size	unnoticeable
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The vorwell comma is an unnoticeable 7-limit comma, with a ratio of 134217728/133984375, and a size of 3.013 cents. It is the amount by which a stack of five octaves exceeds a stack of eight 5/4s and three 7/4s.

Temperaments

Tempering out this comma leads to the rank-3 vorwell temperament. It is also tempered out in the rank-2 temperaments orwell, vulture, and quasiorwell, to name a few.