63/40

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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 height (log2 nd) 11.2992
Weil height (log2 max(n, d)) 11.9546
Wilson height (sopfr(nd)) 24
Comma size large
Open this interval in xen-calc

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.