6728/6727

Interval information

Ratio	6728/6727
Subgroup monzo	2.7.29.31 [3 -1 2 -2⟩
Size in cents	0.2573369¢
Name	sushi comma
FJS name	[math]\displaystyle{ \text{d2}^{29,29}_{7,31,31} }[/math]
Special properties	superparticular, reduced
Tenney norm (log2 nd)	25.4317
Weil norm (log2 max(n, d))	25.4319
Wilson norm (sopfr(nd))	133
Comma size	unnoticeable
S-expression	S29/S31
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6728/6727, the sushi comma, is an unnoticeable comma in the 31-limit (also 2.7.29.31 subgroup) of about 0.257 cents. It is the amount by which a stack of two 31/29's falls short of 8/7. Tempering it out equates 841/840 and 961/960. This also equates 435/434 with 465/464, splitting 225/224 in half and equidistancing 15/14–31/29–16/15.

It was named by Xenllium in 2025. Its name may be related to the large ricegrain comma and small ricegrain comma, which Xenllium named the same day.