13/6

Interval information

Ratio	13/6
Factorization	2-1 × 3-1 × 13
Monzo	[-1 -1 0 0 0 1⟩
Size in cents	1338.573¢
Names	tridecimal minor ninth, tridecimal neutral ninth
Color name	3o9, tho 9th
FJS name	[math]\displaystyle{ \text{m9}^{13} }[/math]
Tenney norm (log2 nd)	6.2854
Weil norm (log2 max(n, d))	7.40088
Wilson norm (sopfr(nd))	18
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The ratio between the 6th and 13th harmonics; one octave above 13/12.