40/27

Interval information

Ratio	40/27
Factorization	23 × 3-3 × 5
Monzo	[3 -3 1⟩
Size in cents	680.4487¢
Name	wolf fifth
FJS name	[math]\displaystyle{ \text{P5}^{5} }[/math]
Special properties	reduced
Tenney height (log2 nd)	10.0768
Weil height (log2 max(n, d))	10.6439
Wilson height (sopfr(nd))	20
[sound info]
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The grave fifth of 40/27 is the interval between 9/8 and 5/3. It is 81/80, a syntonic comma, flat of 3/2. In some contexts it may be considered a wolf fifth. In meantone, of course, it is equated with a perfect fifth.

See also

• 27/20 – its octave complement
• Gallery of just intervals