121/81: Difference between revisions

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Aura (talk | contribs)
Realized that Kite is going to be better qualified for handling the color name, so the previous data on the color name for this interval has been deleted to make room for his contribution- hopefully, he can also figure out what to do with 729/484 at the same time.
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{{Infobox Interval
{{Infobox Interval
| Name = Alpharabian narrow fifth
| Name = Alpharabian narrow fifth
| Color name = 1uu5, lulu 5th
| Color name =  
| Sound =  
| Sound =  
}}
}}

Revision as of 21:57, 18 May 2023

Interval information
Ratio 121/81
Factorization 3-4 × 112
Monzo [0 -4 0 0 2
Size in cents 694.8159¢
Name Alpharabian narrow fifth
FJS name [math]\displaystyle{ \text{d5}^{11,11} }[/math]
Special properties reduced
Tenney norm (log2 nd) 13.2587
Weil norm (log2 max(n, d)) 13.8377
Wilson norm (sopfr(nd)) 34
Open this interval in xen-calc

121/81, the Alpharabian narrow fifth (694.8¢), is 243/242 (7.1¢) below the just fifth 3/2. It is the interval created by stacking two 11/9 neutral thirds, and can be considered a meantone fifth.

See also