2118edo: Difference between revisions
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== Theory == | == Theory == | ||
{{Harmonics in equal|2118}} | {{Harmonics in equal|2118}} | ||
Primes with less than 1 standard deviation in 2118edo are: 2, 3, 5, 7, 11, 19, 23, 29, 31, 43. | Primes with less than 1 standard deviation in 2118edo are: 2, 3, 5, 7, 11, 19, 23, 29, 31, 43. Overall, it offers excellent double-13s 31-limit harmony, as both mappings of 13 (2118 and 2118f vals) have useful interpretations. | ||
2118edo provides a 43-limit approximation of [[secor]] with [[46/43]] (206 steps). In addition, it offers a 205-step generator "meantone secor" which is described by a 31 & 2118 temperament, and also offers a meantone fifth. | 2118edo provides a 43-limit approximation of [[secor]] with [[46/43]] (206 steps). In addition, it offers a 205-step generator "meantone secor" which is described by a 31 & 2118 temperament, also in the 2.3.5.7.11.23.43 subgroup, and also offers a meantone fifth. | ||
2118edo is 6 times the [[353edo]], meaning it can be used to play a compound of 6 chains of the [[Hemimean clan#Rectified Hebrew|Rectified Hebrew]] temperament. | 2118edo is 6 times the [[353edo]], meaning it can be used to play a compound of 6 chains of the [[Hemimean clan#Rectified Hebrew|Rectified Hebrew]] temperament. | ||