287edo

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← 286edo287edo288edo →
Prime factorization 7 × 41
Step size 4.18118¢
Fifth 168\287 (702.439¢) (→24\41)
Semitones (A1:m2) 28:21 (117.1¢ : 87.8¢)
Consistency limit 3
Distinct consistency limit 3

287 equal divisions of the octave (abbreviated 287edo or 287ed2), also called 287-tone equal temperament (287tet) or 287 equal temperament (287et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 287 equal parts of about 4.181 ¢ each. Each step represents a frequency ratio of 21/287, or the 287th root of 2.

Prime harmonics

Approximation of prime harmonics in 287edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error absolute (¢) +0.00 +0.48 -1.64 +1.21 +0.60 -0.11 -0.43 -0.65 -1.10 -1.01 +0.61
relative (%) +0 +12 -39 +29 +14 -3 -10 -16 -26 -24 +15
Steps
(reduced)
287
(0)
455
(168)
666
(92)
806
(232)
993
(132)
1062
(201)
1173
(25)
1219
(71)
1298
(150)
1394
(246)
1422
(274)


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