78/77

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Interval information
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 (log2 n⋅d) 12.5522
Weil height (max(n, d)) 78
Benedetti height (n⋅d) 6006
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.

See also