183edo: Difference between revisions

+infobox
Update infobox and +more 13-limit commas
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| Fifth = 107\183 (701.64¢)
| Fifth = 107\183 (701.64¢)
| Major 2nd = 31\183 (203¢)
| Major 2nd = 31\183 (203¢)
| Minor 2nd = 14\183 (92¢)
| Semitones = 17:14 (111¢ : 92¢)
| Augmented 1sn = 17\183 (111¢)
| Consistency = 17
}}
}}
The '''183 equal divisions of the octave''' ('''183edo'''), or the '''183(-tone) equal temperament''' ('''183tet''', '''183et''') when viewed from a [[regular temperament]] perspective, divides the [[octave]] into 183 [[equal]] parts of about 6.56 [[cent]]s each, a size close to [[243/242]], the rastma.  
The '''183 equal divisions of the octave''' ('''183edo'''), or the '''183(-tone) equal temperament''' ('''183tet''', '''183et''') when viewed from a [[regular temperament]] perspective, divides the [[octave]] into 183 [[equal]] parts of about 6.56 [[cent]]s each, a size close to [[243/242]], the rastma.  


== Theory ==
== Theory ==
183edo is notable as a higher limit system, especially when 7 is left out of the picture. It tempers out the [[schisma]], 32805/32768, in the [[5-limit]]. In the [[7-limit]], it tempers out porwell, [[6144/6125]], cataharry, [[19683/19600]] and mirkwai, [[16875/16807]]. In the [[11-limit]], it tempers out [[540/539]], [[3025/3024]] and [[8019/8000]]; in the [[13-limit]], [[351/350]] and [[676/675]]; in the [[17-limit]] 442/441, 561/560 and 715/714; and in the [[19-limit]] 456/455. It is the [[optimal patent val]] for 13-, 17- and 19-limit [[mirkat]] temperament, the 72&183 temperament, and an excellent tuning for the [[rank-3 temperament]]s [[madagascar]] and [[borneo]].
183edo is notable as a higher limit system, especially when 7 is left out of the picture. It tempers out the [[schisma]], 32805/32768, in the [[5-limit]]. In the [[7-limit]], it tempers out porwell, [[6144/6125]], cataharry, [[19683/19600]] and mirkwai, [[16875/16807]]. In the [[11-limit]], it tempers out [[540/539]], [[3025/3024]] and [[8019/8000]]; in the [[13-limit]], [[351/350]], [[676/675]], [[1001/1000]], [[2080/2079]] and [[4096/4095]]; in the [[17-limit]] 442/441, 561/560 and [[715/714]]; and in the [[19-limit]] 456/455. It is the [[optimal patent val]] for 13-, 17- and 19-limit [[mirkat]] temperament, the 72&111 temperament, and an excellent tuning for the [[rank-3 temperament]]s [[madagascar]] and [[borneo]].


As a no-sevens temperament, it tempers out [[32805/32768]], 5632/5625, [[8019/8000]], [[676/675]], 4425/4424, 6656/6655, [[936/935]], [[1089/1088]], and 1377/1375.
As a no-sevens temperament, it tempers out [[32805/32768]], 5632/5625, [[8019/8000]], [[676/675]], [[4225/4224]], [[6656/6655]], [[936/935]], [[1089/1088]], and 1377/1375.


=== Prime harmonics ===
=== Prime harmonics ===