71/40

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Revision as of 12:14, 12 June 2020 by Contribution (talk | contribs) (Created page with "{{Infobox Interval | Ratio = 71/40 | Monzo = -3,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 | Cents = 993.382829541 | Name = harmonic/just minor seventh meantone | Color name = 71o...")
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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
Open this interval in xen-calc

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

It is the mean between the harmonic seventh and the just minor seventh: (7/4 + 9/5)/2 = 71/40.


Its factorization into primes is 2-3⋅5-1⋅71; its FJS name is m7715.