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Interval information
Ratio 51/40
Monzo [-8 1 -1 0 0 0 1
Size in cents 420.59670
Name(s) septendecimal major third
Color name 17og4, sogu 4th

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In 17-limit just intonation, 51/40 is the septendecimal major third. Although technically a type of supermajor third, there's already a septendecimal supermajor third in the form of 22/17, while 51/40 itself is the fifth complement of 20/17- the septendecimal minor third.

It is approximated by:

See also