338edo: Difference between revisions

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{{Infobox ET}}
{{Infobox ET}}
The '''338 equal division''' divides the octave into 338 equal parts of 3.550 cents each. In the 5-limit it tempers out the vishnuzma, 6115295232/6103515625, and in the 7-limit 2401/2400, 5120/5103 and 10976/10935. It provides the [[Optimal_patent_val|optimal patent val]] for [[Breedsmic_temperaments#Hemififths|hemififths temperament]].
{{EDO intro|338}}
 
The equal temperament [[tempering out|tempers out]] {{monzo| 23 6 -14 }} ([[vishnuzma]]) in the 5-limit, and [[2401/2400]], [[5120/5103]] and [[10976/10935]] in the 7-limit. It provides the [[optimal patent val]] for 7-limit [[hemififths]], the 99 & 239 temperament.
 
=== Odd harmonics ===
{{Harmonics in equal|338}}
 
=== Subsets and supersets ===
Since 338 factors into {{factorization|338}}, 338edo has subset edos {{EDOs| 2, 13, 26, and 169 }}.  


[[Category:Equal divisions of the octave|###]] <!-- 3-digit number -->
[[Category:Hemififths]]
[[Category:Hemififths]]
[[Category:Vishnuzma]]
[[Category:Vishnuzmic]]

Revision as of 08:09, 15 November 2023

← 337edo 338edo 339edo →
Prime factorization 2 × 132
Step size 3.5503 ¢ 
Fifth 198\338 (702.959 ¢) (→ 99\169)
Semitones (A1:m2) 34:24 (120.7 ¢ : 85.21 ¢)
Consistency limit 7
Distinct consistency limit 7

Template:EDO intro

The equal temperament tempers out [23 6 -14 (vishnuzma) in the 5-limit, and 2401/2400, 5120/5103 and 10976/10935 in the 7-limit. It provides the optimal patent val for 7-limit hemififths, the 99 & 239 temperament.

Odd harmonics

Approximation of odd harmonics in 338edo
Harmonic 3 5 7 9 11 13 15 17 19 21 23
Error Absolute (¢) +1.00 +0.67 +0.40 -1.54 -1.02 +0.89 +1.67 +1.55 +0.71 +1.41 +0.13
Relative (%) +28.3 +18.8 +11.4 -43.5 -28.8 +25.1 +47.1 +43.8 +20.1 +39.7 +3.6
Steps
(reduced)
536
(198)
785
(109)
949
(273)
1071
(57)
1169
(155)
1251
(237)
1321
(307)
1382
(30)
1436
(84)
1485
(133)
1529
(177)

Subsets and supersets

Since 338 factors into 2 × 132, 338edo has subset edos 2, 13, 26, and 169.