1156/1155: Difference between revisions

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'''1156/1155''' is a [[17-limit]] no-13 [[superparticular]] [[comma]] measuring about 1.41 [[cent]]s. It may be properly described as the ''septendecimal quartertones comma'', since it is the difference between [[34/33]] and [[35/34]], the two 17-limit quartertones.  
'''1156/1155''' is a [[17-limit]] no-13 [[superparticular]] [[comma]] measuring about 1.41 [[cent]]s. It may be properly described as the ''septendecimal quartertones comma'', since it is the difference between [[34/33]] and [[35/34]], the two 17-limit quartertones.  


In terms of commas, it is the difference between [[289/288]] and [[385/384]], and between [[936/935]] and [[4914/4913]]. It factors into ([[2080/2079]])([[2601/2600]]), or ([[1275/1274]])([[12376/12375]]).
In terms of commas, it is the difference between the following pairs:
* [[289/288]] and [[385/384]]
* [[442/441]] and [[715/714]]
* [[561/560]] and [[1089/1088]]
* [[595/594]] and [[1225/1224]]
* [[936/935]] and [[4914/4913]]
 
It factors into the following pairs:
* [[2080/2079]] and [[2601/2600]]
* [[1275/1274]] and [[12376/12375]]


== Temperaments ==
== Temperaments ==