6:7:9

Chord information

Harmonics	6:7:9
Subharmonics	1/(21:18:14)
Intervals from root	1/1 – 7/6 – 3/2
Cents from root	0¢ 267¢ 702¢
Step intervals	7/6, 9/7
Step cents	267¢, 435¢
Prime limit	7
Genus	32 ⋅ 7 (63)
Intervallic odd limit	9
Otonal odd limit	9
Utonal odd limit	21
Consistent edos (d ≥ 2)	5edo*, 14edo*, 17edo*, 19edo*, …
* 2 ≤ d < 4; ** 4 ≤ d < 8; *** 8 ≤ d < 16; …

6:7:9, a subminor triad, is a triad in the 7-limit sometimes used in place of a minor triad.

Todo: research This chord may be closely connected to 7-limit interpretations of the Blues scale.