40/39

From Xenharmonic Wiki
Jump to navigation Jump to search
Interval information
Ratio 40/39
Monzo [3 -1 1 0 0 -1
Size in cents 43.83105
Name(s) tridecimal 1/5-tone,
tridecimal minor diesis
Color name 3uy1, thuyo unison
FJS name A1513
open this interval in xen-calc

40/39 is the difference between the third octave of the third 5/4 (40 = 5 ⋅ 23) and the fifth of the thirteenth partial of the same root (39 = 13 ⋅ 3). Possibility to change from subsystem 4 to subsystem 3 (or 5 to 13).