Xenharmonic Wiki

121/81

Revision as of 21:57, 18 May 2023 by 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.)

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.

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

See also

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