278edo

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← 277edo278edo279edo →
Prime factorization 2 × 139
Step size 4.31655¢
Fifth 163\278 (703.597¢)
Semitones (A1:m2) 29:19 (125.2¢ : 82.01¢)
Dual sharp fifth 163\278 (703.597¢)
Dual flat fifth 162\278 (699.281¢) (→81\139)
Dual major 2nd 47\278 (202.878¢)
Consistency limit 3
Distinct consistency limit 3

278 equal divisions of the octave (278edo), or 278-tone equal temperament (278tet), 278 equal temperament (278et) when viewed from a regular temperament perspective, is the tuning system that divides the octave into 278 equal parts of about 4.32 ¢ each.

Theory

Approximation of prime intervals in 278 EDO
Prime number 2 3 5 7 11 13 17 19
Error absolute (¢) +0.00 +1.64 -2.14 -1.92 +1.20 +1.20 -1.36 +0.33
relative (%) +0 +38 -50 -44 +28 +28 -31 +8
Steps (reduced) 278 (0) 441 (163) 645 (89) 780 (224) 962 (128) 1029 (195) 1136 (24) 1181 (69)