15/2
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| Ratio | 15/2 |
| Factorization | 2-1 × 3 × 5 |
| Monzo | [-1 1 1⟩ |
| Size in cents | 3488.2687¢ |
| Name | classic/just major twenty-first |
| Color name | ccy7, cocoyo 7th |
| FJS name | [math]\text{M21}^{5}[/math] |
| Tenney height (log2 nd) | 4.90689 |
| Weil height (log2 max(n, d)) | 7.81378 |
| Wilson height (sopfr(nd)) | 10 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~3.43298 bits |
[sound info] | |
| open this interval in xen-calc | |
15/2 is the ratio between the 2nd and 15th harmonics; two octaves above 15/8.