81/49: Difference between revisions

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Created page with "{{Infobox interval|81/49|Name=Septimal augmented fifth, novel submajor sixth}} '''81/49''', the '''novel submajor sixth''' or '''septimal augmented fifth''', is a 7-limit int..."
 
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{{Infobox interval|81/49|Name=Septimal augmented fifth, novel submajor sixth}}
{{Infobox interval|81/49|Name=Septimal augmented fifth, novel submajor sixth}}


'''81/49''', the '''novel submajor sixth''' or '''septimal augmented fifth''', is a 7-limit interval.
'''81/49''', the '''novel submajor sixth''' or '''septimal augmented fifth''', is a [[7-limit]] interval. It is the interval created by stacking two [[9/7]]s, and is equated to [[5/3]] in [[245/243|sensamagic (245/243)]] temperaments, including no-twos [[BPS]].
 
== See also ==
* [[98/81]], its octave complement

Revision as of 20:33, 27 February 2025

Interval information
Ratio 81/49
Factorization 34 × 7-2
Monzo [0 4 0 -2
Size in cents 870.1682¢
Names Septimal augmented fifth,
novel submajor sixth
FJS name [math]\displaystyle{ \text{A5}_{7,7} }[/math]
Special properties reduced
Tenney norm (log2 nd) 11.9546
Weil norm (log2 max(n, d)) 12.6797
Wilson norm (sopfr(nd)) 26
Open this interval in xen-calc

81/49, the novel submajor sixth or septimal augmented fifth, is a 7-limit interval. It is the interval created by stacking two 9/7s, and is equated to 5/3 in sensamagic (245/243) temperaments, including no-twos BPS.

See also

  • 98/81, its octave complement