38/21
(Redirected from 38 21)
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| Ratio | 38/21 |
| Factorization | 2 × 3-1 × 7-1 × 19 |
| Monzo | [1 -1 0 -1 0 0 0 1⟩ |
| Size in cents | 1026.7321¢ |
| Names | hendrix minor seventh, undevicesimal supraminor seventh, undevicesimal subneutral seventh |
| Color name | 19or7, noru 7th |
| FJS name | [math]\text{m7}^{19}_{7}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 9.64024 |
| Weil height (log2 max(n, d)) | 10.4959 |
| Wilson height (sopfr (nd)) | 31 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~4.55635 bits |
[sound info] | |
| open this interval in xen-calc | |
In 19-limit just intonation, 38/21 is the hendrix minor seventh, also known as the undevicesimal supraminor seventh or undevicesimal subneutral seventh. It exceeds the Pythagorean minor seventh (16/9) by a hendrix comma (57/56).