980/729

Revision as of 03:47, 17 November 2020 by FloraC (talk | contribs) (I'll stick to the short name then)
Interval information
Ratio 980/729
Factorization 22 × 3-6 × 5 × 72
Monzo [2 -6 1 2
Size in cents 512.2355¢
Name sensamagic fourth
Color name zzy5, zozoyo 5th
FJS name [math]\displaystyle{ \text{d5}^{5,49} }[/math]
Special properties reduced
Tenney height (log2 nd) 19.4464
Weil height (log2 max(n, d)) 19.8733
Wilson height (sopfr(nd)) 41
Open this interval in xen-calc

980/729, the sensamagic fourth is a 7-limit ratio of about 512 cents, sharp of a just fourth 4/3 by a sensamagic comma 245/243.

It arises in just intonation scales as the difference between the supermajor third 9/7 and the semidiminished seventh 140/81, making it a critical tempering target in the Canovian chord.

See also