173edo: Difference between revisions
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'''173edo''' is the [[EDO|equal division of the octave]] into 173 parts of 6.9364 [[cent]]s each. It is inconsistent to the 5-limit and higher limit, with two mappings possible for the 5-limit: <173 274 402| (optimal patent val) and <173 274 401| (173c). Using the | '''173edo''' is the [[EDO|equal division of the octave]] into 173 parts of 6.9364 [[cent]]s each. It is inconsistent to the 5-limit and higher limit, with two mappings possible for the 5-limit: <173 274 402| (optimal patent val) and <173 274 401| (173c). Using the patent val, it tempers out the unicorn comma, 1594323/1562500 and the [[Escapade family|escapade comma]], 4294967296/4271484375 in the 5-limit; 1728/1715, 3136/3125, and 413343/409600 in the 7-limit; 176/175, 540/539, 1331/1323, and 264627/262144 in the 11-limit. Using the 173c val, it tempers out the [[Amity family|amity comma]], 1600000/1594323 and 35595703125/34359738368 in the 5-limit; 2430/2401, 4000/3969, and 234375/229376 in the 7-limit; 385/384, 1331/1323, and 4000/3993 in the 11-limit. Using the alternative 173cd val, it tempers out 225/224, 84035/82944, and 1250000/1240029 in the 7-limit; 441/440, 1375/1372, 4000/3993, and 26411/26244 in the 11-limit. Using the alternative 173e val, 441/440, 1944/1925, 4000/3993, and 5632/5625 are tempered out in the 11-limit. | ||
173edo is the 40th [[prime EDO]]. | 173edo is the 40th [[prime EDO]]. | ||
Revision as of 13:50, 13 December 2018
173edo is the equal division of the octave into 173 parts of 6.9364 cents each. It is inconsistent to the 5-limit and higher limit, with two mappings possible for the 5-limit: <173 274 402| (optimal patent val) and <173 274 401| (173c). Using the patent val, it tempers out the unicorn comma, 1594323/1562500 and the escapade comma, 4294967296/4271484375 in the 5-limit; 1728/1715, 3136/3125, and 413343/409600 in the 7-limit; 176/175, 540/539, 1331/1323, and 264627/262144 in the 11-limit. Using the 173c val, it tempers out the amity comma, 1600000/1594323 and 35595703125/34359738368 in the 5-limit; 2430/2401, 4000/3969, and 234375/229376 in the 7-limit; 385/384, 1331/1323, and 4000/3993 in the 11-limit. Using the alternative 173cd val, it tempers out 225/224, 84035/82944, and 1250000/1240029 in the 7-limit; 441/440, 1375/1372, 4000/3993, and 26411/26244 in the 11-limit. Using the alternative 173e val, 441/440, 1944/1925, 4000/3993, and 5632/5625 are tempered out in the 11-limit.
173edo is the 40th prime EDO.