280edo

← 279edo

280edo

281edo →

Prime factorization	23 × 5 × 7
Step size	4.28571 ¢
Fifth	164\280 (702.857 ¢) (→ 41\70)
Semitones (A1:m2)	28:20 (120 ¢ : 85.71 ¢)
Consistency limit	7
Distinct consistency limit	7

280edo is enfactored in the 7-limit, with the same tuning as 140edo. It has a consistency limit of only 7. The approximation 11 is improved over 140edo, tempering out 3025/3024.

Prime harmonics

Approximation of prime harmonics in 280edo

Harmonic		2	3	5	7	11	13	17	19	23	29	31
Error	Absolute (¢)	+0.00	+0.90	-0.60	-0.25	+1.54	-0.53	-2.10	-1.80	+1.73	-1.01	-0.75
	Relative (%)	+0.0	+21.0	-14.0	-5.9	+35.9	-12.3	-49.0	-42.0	+40.3	-23.5	-17.5
Steps (reduced)		280 (0)	444 (164)	650 (90)	786 (226)	969 (129)	1036 (196)	1144 (24)	1189 (69)	1267 (147)	1360 (240)	1387 (267)

Divisors

Since 280 factors into 2³ × 5 × 7, it has subset edos 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, and 140.