59049/32768
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Ratio
59049/32768
Factorization
2-15 × 310
Monzo
[-15 10⟩
Size in cents
1019.55¢
Names
Pythagorean augmented sixth,
pentatone
Color name
Lw6, lawa 6th
FJS name
[math]\text{A6}[/math]
Special properties
reduced,
reduced harmonic
Tenney height (log2 nd)
30.8496
Weil height (log2 max(n, d))
31.6993
Wilson height (sopfr(nd))
60
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~4.16742 bits
open this interval in xen-calc
Interval information |
pentatone
reduced harmonic
(Shannon, [math]\sqrt{nd}[/math])
The Pythagorean augmented sixth, otherwise known as the pentatone, 59049/32768, is the interval found by stacking five (Pythagorean whole) tones (9/8). It exceeds the classical minor seventh (9/5) by a schisma. The Medieval music theorist Jacobus of Liège described it along with the ditone, tritone, tetratone, and hexatone, and considered the pentatone to be highly discordant.[1]
See also
- 32768/19683 – its twelfth complement
Notes
- ↑ Pythagorean Tuning and Medieval Polyphony, Margo Schulter, 10 June 1998