64/51

64/51, the septendecimal artomean major third or octave-reduced 51st subharmonic, is a 17-limit major third of approximately 393 ¢. It is very closely approximated by the classic (meantone) major third of 55edo, 18\55.

Interval information

Ratio	64/51
Subgroup monzo	2.3.17 [6 -1 -1⟩
Size in cents	393.0896 ¢
Names	septendecimal artomean major third, octave-reduced 51st subharmonic
Color name	17u3, su 3rd
FJS name	[math]\displaystyle{ \text{M3}_{17} }[/math]
Special properties	reduced, reduced subharmonic
Tenney norm (log2 nd)	11.6724
Weil norm (log2 max(n, d))	12
Wilson norm (sopfr(nd))	32
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See also

• 51/32 – its octave complement
• Gallery of just intervals