266/255

Interval information

Ratio

266/255

Factorization

2 × 3^-1 × 5^-1 × 7 × 17^-1 × 19

Monzo

[1 -1 -1 1 0 0 -1 1⟩

Size in cents

73.1148¢

Name

Mercurial Chromatic Semitone

FJS name

[math]\displaystyle{ \text{m2}^{7,19}_{5,17} }[/math]

Special properties

reduced

Tenney height (log₂ nd)

16.0496

Weil height (log₂ max(n, d))

16.1106

Wilson height (sopfr(nd))

53

Open this interval in xen-calc

266/255 or the mercurial chromatic semitone, is the difference between a 19/17 whole tone and a 15/14 diatonic semitone. It appears when mercury meantone is extended beyond a heptatonic scale.