56/15

56/15 is the septimal diminished double-octave. It is one octave above the septimal diminished octave, and could be considered the 15th of a chord in a context of tertian harmony.

Interval information

Ratio	56/15
Factorization	23 × 3-1 × 5-1 × 7
Monzo	[3 -1 -1 1⟩
Size in cents	2280.557¢
Name	Septimal diminished double-octave
Color name	czg8, cozogu octave
FJS name	[math]\displaystyle{ \text{d15}^{7}_{5} }[/math]
Tenney norm (log2 nd)	9.71425
Weil norm (log2 max(n, d))	11.6147
Wilson norm (sopfr(nd))	21
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