88/81
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| Ratio | 88/81 |
| Factorization | 23 × 3-4 × 11 |
| Monzo | [3 -4 0 0 1⟩ |
| Size in cents | 143.49794¢ |
| Names | 2nd undecimal neutral second, Alpharabian artoneutral second |
| Color name | 1o2, ilo second |
| FJS name | [math]\text{m2}^{11}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 12.7993 |
| Weil height (log2 max(n, d)) | 12.9189 |
| Wilson height (sopfr(nd)) | 29 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~4.25128 bits |
| open this interval in xen-calc | |
88/81, the 2nd undecimal neutral second[1], is an interval of about 143.5 cents. It is 352/351 (4.9 cents) sharp of 13/12 and 243/242 (7.1 cents) flat of 12/11. It is also the interval between 9/8 and 11/9. In Alpharabian tuning it is known as the Alpharabian artoneutral second.