18/5

Interval information

Ratio	18/5
Factorization	2 × 32 × 5-1
Monzo	[1 2 -1⟩
Size in cents	2217.596¢
Name	classic minor fourteenth
Color name	cg7, cogu 7th
FJS name	[math]\displaystyle{ \text{m14}_{5} }[/math]
Tenney norm (log2 nd)	6.49185
Weil norm (log2 max(n, d))	8.33985
Wilson norm (sopfr(nd))	13
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18/5 is the ratio between the 5th and 18th harmonics.

It is one octave above the interval 9/5 and one octave below the interval 36/5.

It is one tritave above the interval 6/5 and one tritave below the interval 54/5.

It is one pentave above the interval 18/25 (which is below 1/1) and one pentave below the interval 18/1.