71/40

In Just Intonation, 71/40 is the frequency ratio between the 71th and the 40th harmonic.

Interval information

Ratio	71/40
Subgroup monzo	2.5.71 [-3 -1 1⟩
Size in cents	993.3828¢
Name	harmonic/just minor seventh meantone
Color name	71oy7
FJS name	[math]\displaystyle{ \text{m7}^{71}_{5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	11.4717
Weil norm (log2 max(n, d))	12.2995
Wilson norm (sopfr(nd))	82
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It is the mean between the harmonic seventh and the just minor seventh: (7/4 + 9/5)/2 = 71/40.