13ed9/4

Prime factorization

13 (prime)

Step size

107.993 ¢

Octave

11\13ed9/4 (1187.92 ¢)
(semiconvergent)

Twelfth

18\13ed9/4 (1943.88 ¢)

Consistency limit

3

Distinct consistency limit

3

13 equal divisions of 9/4 (abbreviated 13ed9/4) is a nonoctave tuning system that divides the interval of 9/4 into 13 equal parts of about 108 ¢ each. Each step represents a frequency ratio of (9/4)^1/13, or the 13th root of 9/4.

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