81/50: Difference between revisions

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Created page with "{{Infobox interval|Name=(classical/diptolemaic) acute minor sixth}} '''81/50''', the (classical/diptolemaic) '''grave major third,''' is a syntonic comma sharp of 8/5, a Marveltwin comma (325/324) flat of 13/8, and merely a Palingenetic Comma (1701/1700) sharp of the interval 34/21. It can be obtained by stacking two classic minor sevenths (9/5) and subtracting an octave, or subtracting two 10/9|small whole tones..."
 
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{{Infobox interval|Name=(classical/diptolemaic) acute minor sixth}}
{{Infobox interval|Name=(classical/diptolemaic) acute minor sixth}}


'''81/50''', the (classical/diptolemaic) '''grave major third,''' is a [[81/80|syntonic comma]] sharp of [[8/5]], a [[325/324|Marveltwin comma (325/324)]] flat of [[13/8]], and merely a [[1701/1700|Palingenetic Comma (1701/1700)]] sharp of the interval [[34/21]]. It can be obtained by stacking two [[9/5|classic minor sevenths (9/5)]] and subtracting an octave, or subtracting two [[10/9|small whole tones (10/9)]] from an octave.
'''81/50''', the (classical/diptolemaic) '''grave major third,''' is a [[81/80|syntonic comma]] sharp of [[8/5]], a [[325/324|marveltwin comma (325/324)]] flat of [[13/8]], and merely a [[1701/1700|palingenetic comma (1701/1700)]] sharp of the interval [[34/21]]. It can be obtained by stacking two [[9/5|classic minor sevenths (9/5)]] and subtracting an octave, or subtracting two [[10/9|small whole tones (10/9)]] from an octave.

Latest revision as of 13:11, 31 August 2026

Interval information
Ratio 81/50
Factorization 2-1 × 34 × 5-2
Monzo [-1 4 -2
Size in cents 835.1926 ¢
Name (classical/diptolemaic) acute minor sixth
FJS name [math]\displaystyle{ \text{m6}_{5,5} }[/math]
Special properties reduced
Tenney norm (log2 nd) 11.9837
Weil norm (log2 max(n, d)) 12.6797
Wilson norm (sopfr(nd)) 24
Open this interval in xen-calc

81/50, the (classical/diptolemaic) grave major third, is a syntonic comma sharp of 8/5, a marveltwin comma (325/324) flat of 13/8, and merely a palingenetic comma (1701/1700) sharp of the interval 34/21. It can be obtained by stacking two classic minor sevenths (9/5) and subtracting an octave, or subtracting two small whole tones (10/9) from an octave.