243/224

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Interval information
Ratio 243/224
Factorization 2-5 × 35 × 7-1
Monzo [-5 5 0 -1
Size in cents 140.9491¢
Name septimal subtone
Color name Lr1, laru unison
FJS name [math]\text{A1}_{7}[/math]
Special properties reduced
Tenney height (log2 nd) 15.7322
Weil height (log2 max(n, d)) 15.8496
Wilson height (sopfr (nd)) 32
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~4.61464 bits
Comma size large

[sound info]
open this interval in xen-calc

243/224, the septimal subtone, is 64/63 sharp of 2187/2048. In the 13-limit, it is 729/728 (2.4 ¢) sharp of 13/12. 2\17 is a good approximation to it. It is also a large comma equating five fifths (3/2) with the 7th harmonic.

See also