30/19: Difference between revisions

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m infoboxified
Expansion according to its octave complement
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| Monzo = 1 1 1 0 0 0 0 -1
| Monzo = 1 1 1 0 0 0 0 -1
| Cents = 790.75570
| Cents = 790.75570
| Name =  
| Name = small undevicesimal minor sixth, <br>Eratosthenes' minor sixth
| Color name =  
| Color name =  
| FJS name =  
| FJS name = A5<sup>5</sup><sub>19</sub>
| Sound = jid_30_19_pluck_adu_dr220.mp3
| Sound = jid_30_19_pluck_adu_dr220.mp3
}}
}}


'''30/19''' is a [[19-limit]] interval.
'''30/19''', the '''small undevicesimal minor sixth''' or '''Eratosthenes' minor sixth''' is a [[19-limit]] interval, 790.8 [[cent]]s in size, that is flatter than the [[128/81|Pythagorean minor sixth]] by the ''password'' aka ''Eratosthenes' comma'' ([[1216/1215]]), an [[unnoticeable comma]] of about 1.4243 cents.
 
== See also ==
* [[19/15]] – its [[octave complement]]
* [[19/12]] – the large undevicesimal minor sixth
* [[Gallery of just intervals]]


[[Category:19-limit]]
[[Category:19-limit]]
[[Category:Interval]]
[[Category:Interval]]
 
[[Category:Minor sixth]]
[[Category:todo:expand]]
[[Category:Sixth]]
[[Category:Eratosthenes]]

Revision as of 12:52, 5 February 2021

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 norm (log2 nd) 9.15482
Weil norm (log2 max(n, d)) 9.81378
Wilson norm (sopfr(nd)) 29

[sound info]
Open this interval in xen-calc

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