128/117

Interval information

Ratio	128/117
Factorization	27 × 3-2 × 13-1
Monzo	[7 -2 0 0 0 -1⟩
Size in cents	155.5623¢
Name	(greater) tridecimal neutral second
Color name	3u2, thu 2th
FJS name	[math]\displaystyle{ \text{M2}_{13} }[/math]
Special properties	reduced, reduced subharmonic
Tenney height (log2 nd)	13.8704
Weil height (log2 max(n, d))	14
Wilson height (sopfr(nd))	33
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~4.23621 bits
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128/117 is the (greater) tridecimal neutral second in 13-limit just intonation.

See also

• 117/64 – its octave complement
• Gallery of just intervals