13/7

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Interval information
Ratio 13/7
Factorization 7-1 × 13
Monzo [0 0 0 -1 0 1
Size in cents 1071.7018¢
Name tridecimal submajor seventh
Color name 3or7, thoru 7th
FJS name [math]\text{m7}^{13}_{7}[/math]
Special properties reduced
Tenney height (log2 nd) 6.50779
Weil height (log2 max(n, d)) 7.40088
Wilson height (sopfr (nd)) 20
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~4.57973 bits

[sound info]
open this interval in xen-calc

13/7, the tridecimal submajor seventh, is the ratio between the 7th and 13th harmonics; a somewhat flat major seventh.

See also