78/77
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Ratio | 78/77 |
Factorization | 2 × 3 × 7^{-1} × 11^{-1} × 13 |
Monzo | [1 1 0 -1 -1 1⟩ |
Size in cents | 22.338814¢ |
Names | negustma, tridecimal minor third comma |
Color name | 3o1ur1, tholuru unison, Tholuru comma |
FJS name | [math]\text{P1}^{13}_{7,11}[/math] |
Special properties | superparticular, reduced |
Tenney height (log_{2} nd) | 12.5522 |
Weil height (log_{2} max(n, d)) | 12.5708 |
Wilson height (sopfr (nd)) | 36 |
Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~3.89142 bits |
open this interval in xen-calc |
78/77, the negustma or tridecimal minor third comma, is a 13-limit no-fives comma of about 22.3¢. It is the difference between 13/11 and 7/6 as well as the difference between 13/7 and 11/6.