30/19

Revision as of 12:52, 5 February 2021 by FloraC (talk | contribs) (Expansion according to its octave complement)
Interval information
Ratio 30/19
Subgroup monzo 2.3.5.19 [1 1 1 -1
Size in cents 790.7557¢
Names small undevicesimal minor sixth,
Eratosthenes' minor sixth
FJS name [math]\displaystyle{ \text{A5}^{5}_{19} }[/math]
Special properties reduced
Tenney height (log2 nd) 9.15482
Weil height (log2 max(n, d)) 9.81378
Wilson height (sopfr(nd)) 29

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30/19, the small undevicesimal minor sixth or Eratosthenes' minor sixth is a 19-limit interval, 790.8 cents in size, that is flatter than the Pythagorean minor sixth by the password aka Eratosthenes' comma (1216/1215), an unnoticeable comma of about 1.4243 cents.

See also