17-comma
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| Ratio | 134217728/129140163 |
| Factorization | 227 × 3-17 |
| Monzo | [27 -17⟩ |
| Size in cents | 66.764985¢ |
| Names | 17-comma, 17-3-comma |
| Color name | ssw3, sasawa 3rd, Wa-17 comma |
| FJS name | [math]\text{dd3}[/math] |
| Special properties | reduced, reduced subharmonic |
| Tenney height (log2 nd) | 53.9444 |
| Weil height (log2 max(n, d)) | 54 |
| Wilson height (sopfr (nd)) | 105 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~4.73855 bits |
| Comma size | medium |
| open this interval in xen-calc | |
134217728/129140163 = [27 -17⟩, called the 17-comma, is an interval of 66.765 cents. It is the amount by which seventeen fifths fall short of ten octaves, or 210/(3/2)17. For EDOs up to 150 the 17-comma is tempered out if and only if 17 divides it, for example 17edo, 34edo or 68edo.