243/224
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| 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{nd}[/math]) |
~4.25104 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.