21/13: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Ratio = 21/13 | | Ratio = 21/13 | ||
| Monzo = 0 1 0 1 0 -1 | | Monzo = 0 1 0 1 0 -1 | ||
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'''21/13''', the '''tridecimal supraminor sixth''', is ''ca''. 830 [[cent]]s in size. It has a very good approximation in [[13edo]]. | '''21/13''', the '''tridecimal supraminor sixth''', is ''ca''. 830 [[cent]]s in size. It has a very good approximation in [[13edo]]. | ||
This interval is a ratio of two consecutive Fibonacci numbers, therefore it approximates the [[golden ratio]]. In this case, 21/13 is ~2.8 [[cent|¢]] flat of the golden ratio. | |||
== See also == | == See also == | ||
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[[Category:13-limit]] | [[Category:13-limit]] | ||
[[Category:Sixth]] | [[Category:Sixth]] | ||
[[Category:Supraminor sixth]] | [[Category:Supraminor sixth]] | ||
[[Category:Golden]] | |||
[[Category:Pages with internal sound examples]] | [[Category:Pages with internal sound examples]] | ||