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Interval information
Ratio 640/637
Factorization 27 × 5 × 7-2 × 13-1
Monzo [7 0 1 -2 0 -1
Size in cents 8.1342392¢
Name huntma
Color name 3urry-2, thururuyo negative 2nd,
Thururuyo comma
FJS name [math]\text{d}{-2}^{5}_{7,7,13}[/math]
Special properties reduced
Tenney height (log2 nd) 18.6371
Weil height (log2 max(n, d)) 18.6439
Wilson height (sopfr (nd)) 46
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~2.70801 bits
Comma size small
open this interval in xen-calc

640/637, the huntma, is a 13-limit small comma. It is the amount by which two 8/7s exceed 13/10. By tempering it out is defined the huntmic temperament, which enables the huntmic chords.

See also