5/2

Interval information

Ratio	5/2
Factorization	2-1 × 5
Monzo	[-1 0 1⟩
Size in cents	1586.314¢
Name	just major tenth
Color name	cy3, coyo 3rd
FJS name	[math]\displaystyle{ \text{M10}^{5} }[/math]
Tenney norm (log2 nd)	3.32193
Weil norm (log2 max(n, d))	4.64386
Wilson norm (sopfr(nd))	7
[sound info]
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5/2, the just major tenth, is the ratio between the 2nd and 5th harmonics; one octave above 5/4. It comes up in open voicings of various chords involving 5/4. For example, it is the bounding interval of 4:7:10 and 14:20:35, which may be used as the fundamental consonances of the 2.5.7 subgroup.

See also

• Ed5/2.