22/13: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Name = tridecimal major sixth
| Name = tridecimal major sixth, major minthmic major sixth
| Color name = 3u1o6, thulo 6th
| Color name = 3u1o6, thulo 6th
| Sound = jid_22_13_pluck_adu_dr220.mp3
| Sound = jid_22_13_pluck_adu_dr220.mp3
}}
}}


'''22/13''', the '''tridecimal major sixth''', is a [[13-limit]] [[just intonation]] interval measuring about 910.8 [[cent]]s. It is the inverse of [[13/11]], the tridecimal minor third. It is sharp of the Pythagorean major sixth [[27/16]] by [[352/351]] (~4.).
'''22/13''', the '''tridecimal major sixth''' or '''major minthmic major sixth''', is a [[13-limit]] [[just intonation]] interval measuring about 910.8 [[cent]]s. It is the inverse of [[13/11]], the tridecimal minor third. It is sharp of the [[27/16|Pythagorean major sixth (27/16)]] by a [[352/351|major minthma (352/351)]].
 
== Approximation ==
This interval is well approximated by [[17edo|13\17]] (917.647 cents), and even better, by [[29edo|22\29]] (910.345 cents).  
{{Interval edo approximation|22/13}}


== See also ==
== See also ==
* [[13/11]] – its [[octave complement]]
* [[13/11]] – its [[octave complement]]
* [[Gallery of just intervals]]
* [[Gallery of just intervals]]
* [[17edo|13\17]] (917.647 cents)


[[Category:Sixth]]
[[Category:Sixth]]
[[Category:Major sixth]]
[[Category:Major sixth]]
[[Category:Minthmic]]
[[Category:Major minthmic]]
[[Category:todo:expand]]

Latest revision as of 13:13, 3 November 2025

Interval information
Ratio 22/13
Factorization 2 × 11 × 13-1
Monzo [1 0 0 0 1 -1
Size in cents 910.7903¢
Names tridecimal major sixth,
major minthmic major sixth
Color name 3u1o6, thulo 6th
FJS name [math]\displaystyle{ \text{M6}^{11}_{13} }[/math]
Special properties reduced
Tenney norm (log2 nd) 8.15987
Weil norm (log2 max(n, d)) 8.91886
Wilson norm (sopfr(nd)) 26

[sound info]
Open this interval in xen-calc

22/13, the tridecimal major sixth or major minthmic major sixth, is a 13-limit just intonation interval measuring about 910.8 cents. It is the inverse of 13/11, the tridecimal minor third. It is sharp of the Pythagorean major sixth (27/16) by a major minthma (352/351).

Approximation

This interval is well approximated by 13\17 (917.647 cents), and even better, by 22\29 (910.345 cents).

Edo approximations for 22/13 (910.79 ¢)
≤ 80edo, relative error ≤ 10%
Edo Step size Cents (¢) Absolute error (¢) Relative error (%)
4 3\4 900.00 -10.79 -3.60
8 6\8 900.00 -10.79 -7.19
17 13\17 917.65 +6.86 +9.71
21 16\21 914.29 +3.50 +6.12
25 19\25 912.00 +1.21 +2.52
29 22\29 910.34 -0.45 -1.08
33 25\33 909.09 -1.70 -4.67
37 28\37 908.11 -2.68 -8.27
46 35\46 913.04 +2.25 +8.64
50 38\50 912.00 +1.21 +5.04
54 41\54 911.11 +0.32 +1.44
58 44\58 910.34 -0.45 -2.15
62 47\62 909.68 -1.11 -5.75
66 50\66 909.09 -1.70 -9.35
75 57\75 912.00 +1.21 +7.56
79 60\79 911.39 +0.60 +3.96

See also