30/19: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Name = small undevicesimal minor sixth, Eratosthenes' minor sixth | | Name = small undevicesimal minor sixth, Eratosthenes' minor sixth | ||
| Color name = 19uy5, nuyo 5th | |||
| Sound = jid_30_19_pluck_adu_dr220.mp3 | | Sound = jid_30_19_pluck_adu_dr220.mp3 | ||
}} | }} | ||
'''30/19''', the '''small undevicesimal minor sixth''' is a [[19-limit]] interval, 790.8 [[cent]]s in size. In the [[Functional Just System]] and [[Helmholtz-Ellis notation]], it is an ''augmented fifth'', obtained by subtracting [[81/80]] and [[513/512]] from the [[6561/4096|Pythagorean augmented fifth]], but it may be called the '''Eratosthenes' minor sixth''' as it 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. | '''30/19''', the '''small undevicesimal minor sixth''' is a [[19-limit]] interval, 790.8 [[cent]]s in size. In the [[Functional Just System]] and [[Helmholtz-Ellis notation]], it is an ''augmented fifth'', obtained by subtracting [[81/80]] and [[513/512]] from the [[6561/4096|Pythagorean augmented fifth]], but it may be called the '''Eratosthenes' minor sixth''' as it 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. | ||
== Approximation == | |||
{{Interval edo approximation|30/19}} | |||
== See also == | == See also == | ||
* [[19/15]] – its [[octave complement]] | * [[19/15]] – its [[octave complement]] | ||