13/7

Interval information

Ratio	13/7
Factorization	7-1 × 13
Monzo	[0 0 0 -1 0 1⟩
Size in cents	1071.702¢
Name	tridecimal submajor seventh
Color name	3or7, thoru 7th
FJS name	[math]\displaystyle{ \text{m7}^{13}_{7} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	6.50779
Weil norm (log2 max(n, d))	7.40088
Wilson norm (sopfr(nd))	20
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13/7, the tridecimal submajor seventh, is the ratio between the 7th and 13th harmonics; a somewhat flat major seventh.

See also

• 14/13 – its octave complement
• Gallery of just intervals