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The 239 equal division divides the octave into 239 equal parts of 5.021 cents each. In the 7-limit, it tempers out 10976/10935, 5120/5103 and 2401/2400 and supports hemififths temperament, providing an excellent tuning. It also supports and provides a good tuning for quasiorwell temperament. 239 is the 52nd prime EDO.