14:18:21

Chord information

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

14:18:21, a supermajor triad or septimal major triad, is a triad in the 7-limit sometimes used in place of a major triad.