324/323
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Ratio | 324/323 |
Subgroup monzo | 2.3.17.19 [2 4 -1 -1⟩ |
Size in cents | 5.3515778¢ |
Name | photisma |
Color name | 19u17u-2, nusu negative 2nd, Nusu comma |
FJS name | [math]\text{d}{-2}_{17,19}[/math] |
Special properties | square superparticular, reduced |
Tenney height (log_{2} nd) | 16.6752 |
Weil height (log_{2} max(n, d)) | 16.6797 |
Wilson height (sopfr (nd)) | 52 |
Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~1.46188 bits |
Comma size | small |
S-expression | S18 |
open this interval in xen-calc |
324/323, the photisma, is a 19-limit small comma. It is the difference between 18/17 and 19/18, as well as the amount by which 323/216 falls short of 3/2. It is close to a quarter of 81/80; four of them fall short of that interval by the unnoticeable comma 10884540241/10883911680 (~0.1 ¢), the lakisma.
Etymology
The name photisma was named after the photia temperament by Xenllium in 2023.