281edo: Difference between revisions

From Xenharmonic Wiki
Jump to navigation Jump to search
BudjarnLambeth (talk | contribs)
m Added "harmonics in equal" table
Rework
Line 1: Line 1:
{{Infobox ET}}
{{Infobox ET}}
'''281edo''' is the [[EDO|equal division of the octave]] into 281 parts of 4.2705 [[cent]]s each.  It tempers out 225/224 in the 7-limit, and 243/242 and 4000/3993 in the 11-limit limit, so that it [[support]]s [[Marvel_temperaments#Marvo|marvo temperament]] and provides the [[Optimal_patent_val|optimal patent val]]; it also gives the optimal patent val for the rank three [[Marvel_family#Spectacle|spectacle temperament]].
{{EDO intro}}


281edo is the 60th [[prime EDO]].
The equal temperament [[tempering out|tempers out]] [[225/224]] in the 7-limit, and [[243/242]] and [[4000/3993]] in the 11-limit, so that it [[support]]s [[marvo]] and provides the [[optimal patent val]]; it also gives the optimal patent val for the rank-3 [[spectacle]] temperament.


=== Odd harmonics ===
{{Harmonics in equal|281}}
{{Harmonics in equal|281}}
[[Category:Equal divisions of the octave|###]] <!-- 3-digit number -->
 
[[Category:Prime EDO]]
=== Subsets and supersets ===
281edo is the 60th [[prime edo]].
 
[[Category:Spectacle]]
[[Category:Marvo]]

Revision as of 06:10, 8 March 2024

← 280edo 281edo 282edo →
Prime factorization 281 (prime)
Step size 4.27046 ¢ 
Fifth 164\281 (700.356 ¢)
Semitones (A1:m2) 24:23 (102.5 ¢ : 98.22 ¢)
Dual sharp fifth 165\281 (704.626 ¢)
Dual flat fifth 164\281 (700.356 ¢)
Dual major 2nd 48\281 (204.982 ¢)
Consistency limit 5
Distinct consistency limit 5

Template:EDO intro

The equal temperament tempers out 225/224 in the 7-limit, and 243/242 and 4000/3993 in the 11-limit, so that it supports marvo and provides the optimal patent val; it also gives the optimal patent val for the rank-3 spectacle temperament.

Odd harmonics

Approximation of odd harmonics in 281edo
Harmonic 3 5 7 9 11 13 15 17 19 21 23
Error Absolute (¢) -1.60 -1.97 +0.57 +1.07 -0.43 +0.75 +0.70 +1.81 +1.42 -1.03 -0.52
Relative (%) -37.4 -46.2 +13.3 +25.1 -10.0 +17.6 +16.4 +42.3 +33.2 -24.1 -12.1
Steps
(reduced)
445
(164)
652
(90)
789
(227)
891
(48)
972
(129)
1040
(197)
1098
(255)
1149
(25)
1194
(70)
1234
(110)
1271
(147)

Subsets and supersets

281edo is the 60th prime edo.