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 quartertone.  
'''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 [[289/288]] and [[385/384]], and between [[936/935]] and [[4914/4913]]. It factors into ([[2080/2079]])([[2601/2600]]), or ([[1275/1274]])([[12376/12375]]).