63/40

Interval information

Ratio	63/40
Factorization	2-3 × 32 × 5-1 × 7
Monzo	[-3 2 -1 1⟩
Size in cents	786.4222¢
Name	narrow minor sixth
FJS name	[math]\displaystyle{ \text{m6}^{7}_{5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	11.2992
Weil norm (log2 max(n, d))	11.9546
Wilson norm (sopfr(nd))	24
Comma size	large
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The narrow minor sixth (frequency ratio 63/40) is a 7-limit interval which is available in several equal step tunings, most notably 120edo and 198edo.