12:15:18:20

Chord information

Harmonics	12:15:18:20
Subharmonics	1/(15:12:10:9)
Intervals from root	1/1 – 5/4 – 3/2 – 5/3
Cents from root	0¢ 386¢ 702¢ 884¢
Step intervals	5/4, 6/5, 10/9
Step cents	386¢, 316¢, 182¢
Color name	yo-6 or y6
Prime limit	5
Genus	32 ⋅ 5 (45)
Intervallic odd limit	9
Otonal odd limit	15
Utonal odd limit	15
Consistent edos (d≥2)	12edo*, 19edo**, 34edo*, 38edo*, …
* 2≤d<4; ** 4≤d<8; *** 8≤d<16; …

12:15:18:20 is an added sixth chord in the 5-limit, with steps 5/4, 6/5, and 10/9. See also its homonym 10:12:15:18 (1⁄1–6⁄5–3⁄2–9⁄5), a minor seventh chord.

In the 9-odd-limit, the chord is an anomalous saturated suspension.