Quartisma
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| Ratio | 117440512/117406179 |
| Factorization | 224 × 3-6 × 7 × 11-5 |
| Monzo | [24 -6 0 1 -5⟩ |
| Size in cents | 0.50618945¢ |
| Name | quartisma |
| Color name | Saquinlu-azo comma |
| FJS name | [math]\text{m3}^{7}_{11,11,11,11,11}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 53.6143 |
| Weil height (log2 max(n, d)) | 53.6147 |
| Wilson height (sopfr(nd)) | 128 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~1.20061 bits |
| Comma size | unnoticeable |
| open this interval in xen-calc | |
The quartisma is an unnoticeable 11-limit comma with a ratio of 117440512/117406179 and a value of approximately 0.5 cents. The quartisma is significant on account of it being the interval between a stack of five 33/32 quartertones and one 7/6 subminor third in Just Intonation- this significance in relation to quartertones being the source of its name. Tempering it out leads to a form of quartismic temperament. For a list of such temperaments, see The Quartercache.