18/7

18/7 is the ratio between the 18th and 7th harmonics; one octave above 9/7.

Interval information

Ratio	18/7
Factorization	2 × 32 × 7-1
Monzo	[1 2 0 -1⟩
Size in cents	1635.084¢
Name	septimal supermajor tenth
FJS name	[math]\displaystyle{ \text{M10}_{7} }[/math]
Tenney norm (log2 nd)	6.97728
Weil norm (log2 max(n, d))	8.33985
Wilson norm (sopfr(nd))	15
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