Shibboleth comma

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Interval information
Ratio 1953125/1889568
Factorization 2-5 × 3-10 × 59
Monzo [-5 -10 9
Size in cents 57.273416¢
Name shibboleth comma
Color name y9-2, tritriyo negative 2nd
FJS name [math]\text{ddd}{-2}^{5,5,5,5,5,5,5,5,5}[/math]
Special properties reduced
Tenney height (log2 nd) 41.747
Weil height (log2 max(n, d)) 41.7947
Wilson height (sopfr (nd)) 85
Harmonic entropy
(Shannon, [math]\sqrt{nd}[/math])
~4.41213 bits
Comma size medium
open this interval in xen-calc

The shibboleth comma (monzo: [-5 -10 9, ratio: 1953125/1889568) is a medium 5-limit comma measuring about 57.3 cents. It equates nine just minor thirds (6/5) with a double compound fourth (16/3). Tempering out this comma leads to the shibboleth family.