The pental comma is an interval of about 17.306 cents. It has the monzo [-28 25 -5⟩ and the ratio 847288609443 / 838860800000.

Interval information
Factorization 2-28 × 325 × 5-5
Monzo [-28 25 -5
Size in cents 17.30645¢
Name Pental comma
FJS name [math]\displaystyle{ \text{m}{-2}_{5,5,5,5,5} }[/math]
Special properties reduced
Tenney norm (log2 nd) 79.2337
Weil norm (log2 max(n, d)) 79.2481
Wilson norm (sopfr(nd)) 156
Comma size small
Open this interval in xen-calc

It defines the pental family of temperaments.

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