3684edo: Difference between revisions

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{{Infobox ET}}
{{Infobox ET}}
The '''3684 equal division''' divides the octave into 3684 steps of 0.325733 cents each, which means that one cent is exactly 3.07 steps of 3684 edo. It is an extraordinarily strong 5-limit system, tempering out senior, |-17 62 -35>, gross, |144 -22 -47> and the Kirnberger atom, |161 -84 -12>. It is uniquely consistent through the 9 odd limit, and in the 7-limit, it tempers out the landscape comma, 250047/250000, and so [[support]]s the 7-limit version of the 612&1848 temperament.
{{EDO intro|3684}}


3684 = 12 * 307, and is potentially of use as a device for constructing 5-limit 12-note circulating temperaments. From that point of view, one might note that 81/80 is 66 steps, 531441/524288, the Pythagorean comma, 72 steps, and 32805/32768, the schisma, 6 steps, making it exactly 1/12 of a Pythagorean comma and 1/11 of a syntonic comma, useful approximations when dealing with this problem. Raider, |71 -99 37>, pirate, |-90 -15 49> and the monzisma, |54 -37 2>, are all one step of 3684et.
3684edo is an extraordinarily strong 5-limit system, tempering out senior, {{monzo|-17 62 -35}}, gross, {{monzo|144 -22 -47}}; and the Kirnberger atom, {{monzo|161 -84 -12}};. It is uniquely consistent through the 9 odd limit, and in the 7-limit, it tempers out the landscape comma, 250047/250000, and so [[support]]s the 7-limit [[atomic]].
 
3684 = 12 * 307, and is potentially of use as a device for constructing 5-limit 12-note circulating temperaments. From that point of view, one might note that 81/80 is 66 steps, 531441/524288, the Pythagorean comma, 72 steps, and 32805/32768, the schisma, 6 steps, making it exactly 1/12 of a Pythagorean comma and 1/11 of a syntonic comma, useful approximations when dealing with this problem. Raider, {{monzo|71 -99 37}};, pirate, {{monzo|-90 -15 49}}; and the monzisma, {{monzo|54 -37 2}};, are all one step of 3684et.


{{Primes in edo|3684|prec=4}}
{{Primes in edo|3684|prec=4}}


[[Category:Equal divisions of the octave|####]] <!-- 4-digit number -->
[[Category:Equal divisions of the octave|####]] <!-- 4-digit number -->

Revision as of 15:20, 12 June 2023

← 3683edo 3684edo 3685edo →
Prime factorization 22 × 3 × 307
Step size 0.325733 ¢ 
Fifth 2155\3684 (701.954 ¢)
Semitones (A1:m2) 349:277 (113.7 ¢ : 90.23 ¢)
Consistency limit 9
Distinct consistency limit 9

Template:EDO intro

3684edo is an extraordinarily strong 5-limit system, tempering out senior, [-17 62 -35, gross, [144 -22 -47; and the Kirnberger atom, [161 -84 -12;. It is uniquely consistent through the 9 odd limit, and in the 7-limit, it tempers out the landscape comma, 250047/250000, and so supports the 7-limit atomic.

3684 = 12 * 307, and is potentially of use as a device for constructing 5-limit 12-note circulating temperaments. From that point of view, one might note that 81/80 is 66 steps, 531441/524288, the Pythagorean comma, 72 steps, and 32805/32768, the schisma, 6 steps, making it exactly 1/12 of a Pythagorean comma and 1/11 of a syntonic comma, useful approximations when dealing with this problem. Raider, [71 -99 37;, pirate, [-90 -15 49; and the monzisma, [54 -37 2;, are all one step of 3684et.

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