28742edo

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28742 equal divisions of the octave (abbreviated 28742edo or 28742ed2), also called 28742-tone equal temperament (28742tet) or 28742 equal temperament (28742et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 28742 equal parts of about 0.0418 ¢ each. Each step represents a frequency ratio of 21/28742, or the 28742nd root of 2.

← 28741edo 28742edo 28743edo →
Prime factorization 2 × 7 × 2053
Step size 0.0417507 ¢ 
Fifth 16813\28742 (701.955 ¢)
Semitones (A1:m2) 2723:2161 (113.7 ¢ : 90.22 ¢)
Consistency limit 23
Distinct consistency limit 23

28742edo is the next zeta peak edo (and zeta peak integer edo) after 16808edo.

Prime harmonics

Approximation of prime harmonics in 28742edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error Absolute (¢) +0.0000 +0.0003 +0.0060 +0.0002 +0.0007 -0.0016 +0.0060 +0.0028 -0.0091 -0.0037 +0.0204
Relative (%) +0.0 +0.8 +14.3 +0.5 +1.6 -3.8 +14.3 +6.7 -21.8 -9.0 +49.0
Steps
(reduced)
28742
(0)
45555
(16813)
66737
(9253)
80689
(23205)
99431
(13205)
106358
(20132)
117482
(2514)
122094
(7126)
130016
(15048)
139628
(24660)
142394
(27426)
Approximation of prime harmonics in 28742edo (continued)
Harmonic 37 41 43 47 53 59 61 67 71 73 79
Error Absolute (¢) -0.0045 +0.0100 +0.0125 +0.0003 +0.0046 +0.0031 -0.0105 +0.0194 -0.0013 +0.0026 -0.0111
Relative (%) -10.9 +24.0 +29.8 +0.7 +11.0 +7.3 -25.3 +46.4 -3.2 +6.3 -26.6
Steps
(reduced)
149730
(6020)
153987
(10277)
155962
(12252)
159650
(15940)
164632
(20922)
169079
(25369)
170461
(26751)
174352
(1900)
176756
(4304)
177908
(5456)
181183
(8731)


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