8/3

Interval information

Ratio	8/3
Factorization	23 × 3-1
Monzo	[3 -1⟩
Size in cents	1698.045¢
Name	perfect eleventh
Color name	w11, wa 11th
FJS name	[math]\displaystyle{ \text{P11} }[/math]
Tenney height (log2 nd)	4.58496
Weil height (log2 max(n, d))	6
Wilson height (sopfr(nd))	9
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~4.04762 bits
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8/3, the perfect eleventh, is the ratio between the 3rd and 8th harmonics; one octave above 4/3. See also ed8/3.