9/4: Difference between revisions

Revision as of 05:00, 22 January 2022

Interval information

Ratio

9/4

Factorization

2^-2 × 3²

[-2 2⟩

Size in cents

1403.91¢

Name

Pythagorean ninth

w9, wa 9th

[math]\displaystyle{ \text{M9} }[/math]

5.16993

Weil height (log₂ max(n, d))

6.33985

10

9/4, the Pythagorean ninth; two perfect fifths (3/2 * 3/2); the ratio between the 4th and 9th harmonics; one octave above 9/8.

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