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Interval information
Factorization 2-14 × 3-19 × 519
Monzo [-14 -19 19
Size in cents 2.815547¢
Names enneadeca,
FJS name [math]\text{8d}{-4}^{5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5}[/math]
Special properties reduced
Tenney height (log2 n⋅d) 88.2309
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~2.43265 bits
Comma size unnoticeable
open this interval in xen-calc

[-14 -19 19, the enneadeca or 19-tone-comma, is an interval of 2.816 cents which is the amount by which nineteen minor thirds fall short of five octaves, that is, 25/(6/5)19.


Tempering out the enneadeca leads to the enneadecal temperament, supported by equal divisions divisible by 19 such as 19edo, 38edo, 57edo, 76edo, 114edo, 152edo, 171edo, 190edo and 228edo.

See also