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The 283 equal temperament divides the octave into 283 equal parts of 4.240 cents each. It is closely associated with the sensamagic comma, 245/243, defining the optimal patent val for the sensamagic 7-limit planar temperament as well as sensa temperament, which tempers out both 245/243 and 65625/65536 in the 7-limit, 385/384 and 4000/3993 in the 11-limit, and 352/351 and 625/624 in the 13-limit.