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Interval information
Ratio 64/39
Monzo [6 -1 0 0 0 1
Size in cents 857.51734
Name(s) greater tridecimal neutral sixth,
octave-reduced 39th subharmonic
FJS name M613

[sound info]
open this interval in xen-calc

64/39, the (greater) tridecimal neutral sixth, is the utonal combination of primes 13 and 3, octave-reduced. It is the inverse of 39/32, the lesser tridecimal neutral third.

64/39 is a fraction of a cent away from the neutral third found in 7edo and its supersets.

See also