89edf is the equal division of the just perfect fifth into nine parts of 7.887 cents each, corresponding to 152.1465 edo.

← 88edf 89edf 90edf →
Prime factorization 89 (prime)
Step size 7.88713 ¢ 
Octave 152\89edf (1198.84 ¢)
Twelfth 241\89edf (1900.8 ¢)
Consistency limit 15
Distinct consistency limit 15

Theory

89edf is similar to Carlos Gamma in that it includes a just perfect fifth and an incredibly precise approximation of the major and minor thirds.