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TES: The largest network of teachers in the world

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198 equal temperamentdivides the octave into 198 parts of 6.061 cents each. It is contorted in the 7-limit, with the same the same tuning as 99edo, but makes for a good 11- and 13-limit system. Like 99, it tempers out 2401/2400, 4375/4374, 3136/3135, 5120/5103 and 6144/6125 in the 7-limit; in the 11-limit it tempers 3025/3024 and 9801/9800; and in the 13-limit 352/351, 847/845, 676/675, 1001/1000, 1716/1715 and 2080/2079.It is the optimal patent val for the rank five temperament tempering out 352/351, plus other temperaments of lower rank also tempering it out, such as hemimist and namaka. It is distinctly consistent through the 15-limit, and has divisors 2, 3, 6, 9, 11, 18, 22, 33, 66 and 99.