143/128: Difference between revisions

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Created page with "{{Infobox Interval | Icon = | Ratio = 143/128 | Monzo = -7 0 0 0 1 1 | Cents = 191.84560 | Name = grossmic whole tone | Color name = | FJS name = | Sound = }} '''143/128''..."
 
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{{Infobox Interval
{{Infobox Interval
| Icon =
| Ratio = 143/128
| Monzo = -7 0 0 0 1 1
| Cents = 191.84560
| Name = grossmic whole tone
| Name = grossmic whole tone
| Color name =
| Color name = 3o1o2, tholo 2nd
| FJS name =
| Sound =
}}
}}


'''143/128''', the '''grossmic whole tone''', is a [[13-limit]] whole-tone-type interval of about 191.85 [[cent]]s in size which separates [[13/8]] and [[16/11]] and likewise separates [[16/13]] from [[11/8]].
'''143/128''', the '''grossmic whole tone''', is a [[13-limit]] whole-tone-type interval of about 191.85 [[cent]]s in size which separates [[13/8]] and [[16/11]] and likewise separates [[16/13]] from [[11/8]]. It is represented near perfectly in edos that are a multiple of 25, and as those that are multiples of 50 also represent 11/8 and 13/8 within a fraction of a cent, they give it a consistent identity. It differs from [[19/17]] by [[2432/2431]], making tempering that out an excellent way of associating 13-limit intervals with simpler 19-limit ones. Two of them fall short of [[5/4]] by [[20480/20449]]. It can be notated in Sagittal as C-D{{Sagittal|)~!}}, because it differs from [[9/8]] by [[144/143]].


== See also ==
== See also ==
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* [[192/143]] – its [[fifth complement]]
* [[192/143]] – its [[fifth complement]]
* [[512/429]] – its [[fourth complement]]
* [[512/429]] – its [[fourth complement]]
[[Category:13-limit]]

Latest revision as of 21:09, 21 August 2025

Interval information
Ratio 143/128
Factorization 2-7 × 11 × 13
Monzo [-7 0 0 0 1 1
Size in cents 191.8456¢
Name grossmic whole tone
Color name 3o1o2, tholo 2nd
FJS name [math]\displaystyle{ \text{m2}^{11,13} }[/math]
Special properties reduced,
reduced harmonic
Tenney height (log2 nd) 14.1599
Weil height (log2 max(n, d)) 14.3197
Wilson height (sopfr(nd)) 38
Open this interval in xen-calc

143/128, the grossmic whole tone, is a 13-limit whole-tone-type interval of about 191.85 cents in size which separates 13/8 and 16/11 and likewise separates 16/13 from 11/8. It is represented near perfectly in edos that are a multiple of 25, and as those that are multiples of 50 also represent 11/8 and 13/8 within a fraction of a cent, they give it a consistent identity. It differs from 19/17 by 2432/2431, making tempering that out an excellent way of associating 13-limit intervals with simpler 19-limit ones. Two of them fall short of 5/4 by 20480/20449. It can be notated in Sagittal as C-D⁠ ⁠, because it differs from 9/8 by 144/143.

See also