45/8

45/8, the double-compound ptolemaic augmented fourth, is the ratio between the 8th and 45th harmonics; two octaves above 45/32.

Interval information

Ratio	45/8
Factorization	2-3 × 32 × 5
Monzo	[-3 2 1⟩
Size in cents	2990.224¢
Name	double-compound ptolemaic augmented fourth
Color name	cocoyo 4th, ccy4
FJS name	[math]\displaystyle{ \text{A18}^{5} }[/math]
Tenney norm (log2 nd)	8.49185
Weil norm (log2 max(n, d))	10.9837
Wilson norm (sopfr(nd))	17
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