9/4: Difference between revisions

From Xenharmonic Wiki
Jump to navigation Jump to search
BudjarnLambeth (talk | contribs)
m See also
Sintel (talk | contribs)
-nonet
 
Line 6: Line 6:


'''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]]. See also [[ed9/4]].
'''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]]. See also [[ed9/4]].
[[Category:Nonet]]

Latest revision as of 17:12, 31 March 2025

Interval information
Ratio 9/4
Factorization 2-2 × 32
Monzo [-2 2
Size in cents 1403.91¢
Name Pythagorean ninth
Color name w9, wa 9th
FJS name [math]\displaystyle{ \text{M9} }[/math]
Tenney height (log2 nd) 5.16993
Weil height (log2 max(n, d)) 6.33985
Wilson height (sopfr(nd)) 10

[sound info]
Open this interval in xen-calc

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. See also ed9/4.