20:30:36:45

Chord information

Harmonics

20:30:36:45

Subharmonics

1/(9:6:5:4)

Intervals from root

1/1 – 3/2 – 9/5 – 9/4

Cents from root

0¢ 702¢ 1018¢ 1404¢

Step intervals

Step cents

702¢, 316¢, 386¢

gu-9 no-3 or g9no3
sub-9 no-3 or s9no3
sus-2 gu-7 or 2,g7

3² ⋅ 5 (45)

45

9

20:30:36:45 can be thought of as either a thirdless dominant ninth chord or a sus-2 dominant seventh chord, especially if voiced 40:45:60:72.