81/44
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| Ratio | 81/44 |
| Factorization | 2-2 × 34 × 11-1 |
| Monzo | [-2 4 0 0 -1⟩ |
| Size in cents | 1056.5021¢ |
| Names | 2nd undecimal neutral seventh, Alpharabian tendoneutral seventh |
| Color name | 1u2, ilu seventh |
| FJS name | [math]\text{M7}_{11}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 11.7993 |
| Weil height (log2 max(n, d)) | 12.6797 |
| Wilson height (sopfr (nd)) | 27 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~4.57918 bits |
| open this interval in xen-calc | |
81/44, the 2nd undecimal neutral seventh, is an interval of about 1056.5 cents. It is 352/351 (4.9 cents) flat of 24/13 and 243/242 (7.1 cents) sharp of 11/6. In Alpharabian tuning it is known as the Alpharabian tendoneutral seventh.