456/455
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| Ratio | 456/455 |
| Factorization | 23 × 3 × 5-1 × 7-1 × 13-1 × 19 |
| Monzo | [3 1 -1 -1 0 -1 0 1⟩ |
| Size in cents | 3.8007349¢ |
| Name | abnobisma |
| Color name | 19o3urg1, nothurugu 1sn, Nothurugu comma |
| FJS name | [math]\text{P1}^{19}_{5,7,13}[/math] |
| Special properties | superparticular, reduced |
| Tenney height (log2 nd) | 17.6626 |
| Weil height (log2 max(n, d)) | 17.6658 |
| Wilson height (sopfr (nd)) | 53 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~2.46017 bits |
| Comma size | small |
| S-expression | S36 × S37 × S38 |
| open this interval in xen-calc | |
456/455, the abnobisma, is a 19-limit superparticular comma of about 3.8 cents. It is the amount by which a stack consisting of 7/6 and 20/19 falls short of 16/13. By tempering it out is defined the abnobismic temperament, which enables the abnobismic chords.
Etymology
The name abnobisma was named by Xenllium in 2023. It refers to 456 Abnoba, the asteroid.