81/44
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Ratio
81/44
Factorization
2-2 × 34 × 11-1
Monzo
[-2 4 0 0 -1⟩
Size in cents
1056.502¢
Names
2nd undecimal neutral seventh,
Alpharabian tendoneutral seventh
Color name
1u2, ilu seventh
FJS name
[math]\text{M7}_{11}[/math]
Special properties
reduced
Tenney height (log2 nd)
11.7993
Weil height (log2 max(n, d))
12.6797
Wilson height (sopfr(nd))
27
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~4.22407 bits
open this interval in xen-calc
| Interval information |
Alpharabian tendoneutral seventh
(Shannon, [math]\sqrt{nd}[/math])
81/44, the 2nd undecimal neutral seventh, is an interval of about 1056.5 cents. It is 352/351 (4.9 cents) flat of 24/13 and 243/242 (7.1 cents) sharp of 11/6. In Alpharabian tuning it is known as the Alpharabian tendoneutral seventh.