13/1
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Ratio
13/1
Subgroup monzo
13 [1⟩
Size in cents
4440.528¢
Name
13th harmonic
Color name
c33o6, tricotho 6th
FJS name
[math]\text{m27}^{13}[/math]
Special properties
harmonic
Tenney height (log2 nd)
3.70044
Weil height (log2 max(n, d))
7.40088
Wilson height (sopfr(nd))
13
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~2.47525 bits
[sound info]
open this interval in xen-calc
| Interval information |
(Shannon, [math]\sqrt{nd}[/math])
[sound info]
13/1, the 13th harmonic, is the harmonic past 12/1 and before 14/1. It is three octaves above 13/8, and is the basis of 13-limit harmony, as many 13-limit intervals can be expressed as the difference between this and another harmonic.