540/539: Difference between revisions

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'''540/539''', the '''swetisma''', is a [[comma]] in the [[11-limit]], equal to ([[15/11]])/([[7/6]])<sup>2</sup>, or to ([[99/98]])/([[121/120]]). Thus, tempering any two of 99/98, 121/120 and 540/539 will result in the third of the three being tempered, resulting in the rank 3 temperament [[Nuwell family#Big Brother|Big Brother]]. More generally, tempering 540/539 leads to [[swetismic temperaments]].
'''540/539''', the '''swetisma''', is a [[comma]] in the [[11-limit]], equal to ([[15/11]])/([[7/6]])<sup>2</sup>, to ([[12/11]]*[[15/14]])/([[7/6]]) or to ([[99/98]])/([[121/120]]). Thus, tempering any two of 99/98, 121/120 and 540/539 will result in the third of the three being tempered, resulting in the rank 3 temperament [[Nuwell family#Big Brother|Big Brother]]. More generally, tempering 540/539 leads to [[swetismic temperaments]].


== See also ==
== See also ==

Revision as of 02:43, 9 May 2021

Interval information
Ratio 540/539
Factorization 22 × 33 × 5 × 7-2 × 11-1
Monzo [2 3 1 -2 -1
Size in cents 3.208961¢
Name swetisma
FJS name [math]\displaystyle{ \text{d}{-2}^{5}_{7,7,11} }[/math]
Special properties superparticular,
reduced
Tenney norm (log2 nd) 18.151
Weil norm (log2 max(n, d)) 18.1536
Wilson norm (sopfr(nd)) 43
Open this interval in xen-calc

540/539, the swetisma, is a comma in the 11-limit, equal to (15/11)/(7/6)2, to (12/11*15/14)/(7/6) or to (99/98)/(121/120). Thus, tempering any two of 99/98, 121/120 and 540/539 will result in the third of the three being tempered, resulting in the rank 3 temperament Big Brother. More generally, tempering 540/539 leads to swetismic temperaments.

See also