63/55

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Interval information
Ratio 63/55
Factorization 32 × 5-1 × 7 × 11-1
Monzo [0 2 -1 1 -1
Size in cents 235.10425¢
Name werckismic supermajor second
Color name 1uzg3, luzogu 3rd
FJS name [math]\text{m3}^{7}_{5,11}[/math]
Special properties reduced
Tenney height (log2 nd) 11.7586
Weil height (log2 max(n, d)) 11.9546
Wilson height (sopfr (nd)) 29
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~4.19635 bits

[sound info]
open this interval in xen-calc

63/55, the werckismic supermajor second, is 441/440 (3.9 cents) sharp of 8/7, 385/384 (4.5 cents) flat of 147/128, and 3025/3024 (0.57 cents) flat of 55/48. It arises in 11-limit scales as the interval between 10/9 and 14/11, 11/9 and 7/5, and their inversions.

Terminology

It has been called keenanismic inframinor third, despite that 147/128 is a rather obscure interval.

See also