392/391
Jump to navigation
Jump to search
| Ratio | 392/391 |
| Factorization | 23 × 72 × 17-1 × 23-1 |
| Monzo | [3 0 0 2 0 0 -1 0 -1⟩ |
| Size in cents | 4.4220562¢ |
| Name | minor semivicema |
| Color name | 23u17uzz1, twethusuzozo 1sn, Twethusuzozo comma |
| FJS name | [math]\text{m2}^{7,7}_{17,23}[/math] |
| Special properties | superparticular, reduced |
| Tenney height (log2 nd) | 17.2257 |
| Weil height (log2 max(n, d)) | 17.2294 |
| Wilson height (sopfr (nd)) | 60 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~2.48249 bits |
| Comma size | small |
| open this interval in xen-calc | |
392/391, the minor semivicema is a 23-limit superparticular comma measuring about 4.42 cents. It forms the difference between 17/14 (septendecimal semi-minor third) and 28/23 (vicesimotertial neutral third).
Etymology
The name minor semivicema is contrast to the major semivicema, 323/322, measuring about 5.37¢, which is the difference between 17/14 and 23/19. 392/391 is smaller than 323/322 by a 19-limit unnoticeable comma, 5491/5488. The word semivicema was introduced by Xenllium in 2023. It is a contraction of semi-minor vicesimotertial comma into a single word.