33698267/33554432

33698267/33554432, or the sylvisma^{[idiosyncratic term]}, is a small 19-limit comma of about 7.4c that is the difference between the stacking of 3 323/256 major thirds and 1 octave. It is notably tempered out in 12edo and arsenic temperament.

Interval information

Ratio	33698267/33554432
Subgroup monzo	2.17.19 [-25 3 3⟩
Size in cents	7.405277¢
Name	sylvisma
Color name	latrinoso 3rd, L19o317o33
FJS name	[math]\displaystyle{ \text{ddd3}^{17,17,17,19,19,19} }[/math]
Special properties	reduced, reduced harmonic
Tenney norm (log2 nd)	50.0062
Weil norm (log2 max(n, d))	50.0123
Wilson norm (sopfr(nd))	158
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Etymology

The name was coined by User:Zeta Function from the mineral sylvite, which is made of potassium chloride. Chloride is element 17, and potassium is element 19, so the name thus reflects in a roundabout way the prime factors that make up this comma.