128:160:180:225

128:160:180:225, a 5-limit French sixth chord, is found rooted on ♭II (16⁄15) and ♭VI (8⁄5) in the duodene.

Chord information

Harmonics	128:160:180:225
Subharmonics	1/(225:180:160:128)
Intervals from root	1/1–5/4–45/32–225/128
Cents from root	0¢–386¢–590¢–977¢
Step intervals	5/4, 9/8, 5/4
Step cents	386¢, 204¢, 386¢
Prime limit	5
Genus	32⋅52 (225)
Intervallic odd limit	225
Otonal odd limit	225
Utonal odd limit	225
Consistent edos (d ≥ 2)	6edo**, 12edo*, 28edo*, 47edo*, …
* 2 ≤ d < 4; ** 4 ≤ d < 8; *** 8 ≤ d < 16; …

It is an inversion of 180:225:256:320, a dominant seventh flat five chord.