4/1

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Revision as of 15:33, 19 December 2021 by Fredg999 (talk | contribs) (Added FJS name, slight expansion, misc. edits, categories)
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Interval information
Ratio 4/1
Factorization 22
Monzo [2⟩
Size in cents 2400¢
Names 4th harmonic,
tetrave,
double octave
Color name wa 15th
FJS name [math]\displaystyle{ \text{P15} }[/math]
Special properties harmonic,
highly composite harmonic
Tenney height (log2 nd) 2
Weil height (log2 max(n, d)) 4
Wilson height (sopfr(nd)) 4

[sound info]
Open this interval in xen-calc

4/1 is the 4th harmonic, or the tetrave; two octaves: (2/1)2.

See also

  • Ed4 – Equal divisions of the 4th harmonic
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