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
Color name	zg6, zogu 6th
FJS name	[math]\displaystyle{ \text{m6}^{7}_{5} }[/math]
Special properties	reduced
Tenney height (log2 nd)	11.2992
Weil height (log2 max(n, d))	11.9546
Wilson height (sopfr(nd))	24
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~4.22357 bits
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The septimal narrow minor sixth or hemifamity minor sixth (frequency ratio 63/40) is a 7-limit interval which is well approximated in several equal step tunings, most notably 198edo.