9900edo: Difference between revisions
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{{ED intro}} | {{ED intro}} | ||
9900edo's step size is sometimes called a '''purdal''', a term proposed by [[Osmiorisbendi]], when used as an interval size unit. | |||
== Theory == | |||
9900edo is consistent in the 9-odd-limit and it is otherwise a good 2.3.5.7.17.29 subgroup system. | 9900edo is consistent in the 9-odd-limit and it is otherwise a good 2.3.5.7.17.29 subgroup system. | ||
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9900edo has subset edos {{EDOs|1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2475, 3300, 4950}}. Its abundancy index is around 2.42. | 9900edo has subset edos {{EDOs|1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2475, 3300, 4950}}. Its abundancy index is around 2.42. | ||
[[Category:Purdal]] | [[Category:Purdal]] | ||