21/17

Interval information

Ratio	21/17
Factorization	3 × 7 × 17-1
Monzo	[0 1 0 1 0 0 -1⟩
Size in cents	365.8255¢
Name	septendecimal submajor third
Color name	17uz3, suzo 3rd
FJS name	[math]\text{M3}^{7}_{17}[/math]
Special properties	reduced
Tenney height (log2 nd)	8.47978
Weil height (log2 max(n, d))	8.78463
Wilson height (sopfr(nd))	27
Harmonic entropy (Shannon, [math]\sqrt{nd}[/math])	~4.23865 bits
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21/17 is the septendecimal submajor third. It is well represented in 36edo.

See also

• 34/21 – its octave complement
• 17/14 – its fifth complement
• Gallery of just intervals