12:14:18:21

Chord information

Harmonics	12:14:18:21
Subharmonics	1/(21:18:14:12)
Intervals from root	1/1 – 7/6 – 3/2 – 7/4
Cents from root	0¢ 267¢ 702¢ 969¢
Step intervals	7/6, 9/7, 7/6
Step cents	267¢, 435¢, 267¢
Color name	zo-7 or z7
Prime limit	7
Genus	32 ⋅ 7 (63)
Intervallic odd limit	9
Otonal odd limit	21
Utonal odd limit	21
Consistent edos (d≥2)	5edo*, 22edo*, 27edo*, 31edo*, …
* 2≤d<4; ** 4≤d<8; *** 8≤d<16; …

12:14:18:21, a subminor seventh chord or septimal minor seventh chord, is an anomalous saturated suspension in the 9-odd-limit.

Ratio	1/1	7/6	3/2	7/4
Cents	0.00	266.87	701.96	968.83
Sound [info]

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