686/675

Interval information

Ratio	686/675
Factorization	2 × 3-3 × 5-2 × 73
Monzo	[1 -3 -2 3⟩
Size in cents	27.98529¢
Names	sengic comma, senga comma
Color name	z3gg3, Trizo-agugu comma
FJS name	[math]\displaystyle{ \text{dd3}^{7,7,7}_{5,5} }[/math]
Special properties	reduced
Tenney height (log2 nd)	18.8208
Weil height (log2 max(n, d))	18.8441
Wilson height (sopfr(nd))	42
Comma size	small
S-expression	S13 * S142
Open this interval in xen-calc

The interval of 686/675, the senga comma or sengic comma is a 7-limit small comma. It pops up as the difference between a stack of three 7/6s and a stack of two 5/4s. It is tempered out in temperaments of the sengic family.