14:18:21:24, the supermajor sixth chord or septimal major sixth chord, is an anomalous saturated suspension in the 9-odd-limit.

Chord information
Harmonics 14:18:21:24
Subharmonics 1/(36:28:24:21)
Intervals from root 1/19/73/212/7
Cents from root 435¢702¢933¢
Step intervals 9/7, 7/6, 8/7
Step cents 435¢, 267¢, 231¢
Color name ru-6 or r6
Prime limit 7
Genus 327 (63)
Intervallic odd limit 9
Otonal odd limit 21
Utonal odd limit 21
Consistent edos (d ≥ 2) 5edo*, 22edo*, 27edo*, 31edo*, …

See also