4231 equal divisions of the octave (abbreviated 4231edo or 4231ed2), also called 4231-tone equal temperament (4231tet) or 4231 equal temperament (4231et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 4231 equal parts of about 0.284 ¢ each. Each step represents a frequency ratio of 21/4231, or the 4231st root of 2.

← 4230edo 4231edo 4232edo →
Prime factorization 4231 (prime)
Step size 0.283621 ¢ 
Fifth 2475\4231 (701.962 ¢)
Semitones (A1:m2) 401:318 (113.7 ¢ : 90.19 ¢)
Consistency limit 11
Distinct consistency limit 11

Theory

4231edo is a zeta peak integer edo. Like the previous zeta peak integer edo 3566edo, it tempers out the lakisma and the monzisma.

Prime harmonics

Approximation of prime harmonics in 4231edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error Absolute (¢) +0.000 +0.007 -0.022 +0.023 +0.041 +0.125 -0.016 +0.005 -0.054 -0.033 -0.058
Relative (%) +0.0 +2.4 -7.8 +8.1 +14.5 +44.0 -5.5 +1.9 -19.1 -11.8 -20.5
Steps
(reduced)
4231
(0)
6706
(2475)
9824
(1362)
11878
(3416)
14637
(1944)
15657
(2964)
17294
(370)
17973
(1049)
19139
(2215)
20554
(3630)
20961
(4037)

Music

Francium