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
	https://en.xen.wiki/w/File:Jid_13_7_pluck_adu_dr220.mp3; [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