21/13
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Ratio | 21/13 |
Monzo | [0 1 0 1 0 -1⟩ |
Size in cents | 830.25325 |
Name(s) | tridecimal supraminor sixth |
Color name | thuzo 6th, 3uz6 |
FJS name | M6^{7}_{13} |
[sound info] | |
open this interval in xen-calc |
21/13, the tridecimal supraminor sixth, is ca. 830 cents in size. It has a very good approximation in 13edo.
This interval is a ratio of two consecutive Fibonacci numbers, therefore it approximates the golden ratio. In this case, 21/13 is ~2.8 ¢ flat of the golden ratio.