286/285
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Ratio | 286/285 |
Factorization | 2 × 3^{-1} × 5^{-1} × 11 × 13 × 19^{-1} |
Monzo | [1 -1 -1 0 1 1 0 -1⟩ |
Size in cents | 6.0638733¢ |
Name | chthonisma |
Color name | 19u3o1og1, nuthologu 1sn, Nuthologu comma |
FJS name | [math]\text{d1}^{11,13}_{5,19}[/math] |
Special properties | superparticular, reduced |
Tenney height (log_{2} nd) | 16.3147 |
Weil height (log_{2} max(n, d)) | 16.3197 |
Wilson height (sopfr (nd)) | 53 |
Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~2.55417 bits |
Comma size | small |
open this interval in xen-calc |
286/285, the chthonisma is a 19-limit superparticular comma of about 6.1 ¢. It is the difference between 19/13 and 22/15, and also between 15/13 and 22/19.
Etymology
The name chthonisma was named by Xenllium in 2023. It was so named because 15/13 and 22/19 are chthonic interseptimal intervals.