81/55

Interval information

Ratio

81/55

Factorization

3⁴ × 5^-1 × 11^-1

Monzo

[0 4 -1 0 -1⟩

Size in cents

670.1883¢

Name

undecimal subfifth

FJS name

[math]\displaystyle{ \text{P5}_{5,11} }[/math]

Special properties

reduced

Tenney height (log₂ nd)

12.1212

Weil height (log₂ max(n, d))

12.6797

Wilson height (sopfr(nd))

28

Open this interval in xen-calc

81/55, the undecimal subfifth, is an 11-limit interval. It is 243/242 (7.1 ¢) sharp of 22/15, and is the interval between 10/9 and 18/11, as well as between 11/9 and 9/5. It is also 55/54 flat of the perfect fifth (3/2).