424edo

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← 423edo 424edo 425edo →
Prime factorization 23 × 53
Step size 2.83019 ¢ 
Fifth 248\424 (701.887 ¢) (→ 31\53)
Semitones (A1:m2) 40:32 (113.2 ¢ : 90.57 ¢)
Consistency limit 9
Distinct consistency limit 9

Template:EDO intro

Theory

424et is consistent to the 9-odd-limit and the harmonic 5 is halfway between its steps. It tempers out 32805/32768 in the 5-limit; 184528125/184473632, 2460375/2458624, 1280000000/1275989841, 2401/2400 and 5250987/5242880 in the 7-limit, supporting enki.

Odd harmonics

Approximation of odd harmonics in 424edo
Harmonic 3 5 7 9 11 13 15 17 19 21 23
Error Absolute (¢) -0.07 -1.41 -0.90 -0.14 +0.57 +0.04 +1.35 -0.24 -0.34 -0.97 +0.03
Relative (%) -2.4 -49.8 -31.8 -4.8 +20.1 +1.4 +47.8 -8.4 -12.1 -34.3 +1.0
Steps
(reduced)
672
(248)
984
(136)
1190
(342)
1344
(72)
1467
(195)
1569
(297)
1657
(385)
1733
(37)
1801
(105)
1862
(166)
1918
(222)

Subsets and supersets

424 factors into 23 × 53, with subset edos Template:2, 4, 8, 53, 106, and 212. 848edo, which doubles it, gives a good correction to the harmonic 11.

Regular temperament properties

Subgroup Comma List Mapping Optimal
8ve Stretch (¢)
Tuning Error
Absolute (¢) Relative (%)
2.3 [-84 53 [424 672]] 0.0215 0.0215 0.76