Enneadeca

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|-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, 2^5/(6/5)^19. Equal divisions divisible by 19 less than or equal to 228 temper out the enneadeca; these include 19edo, 38edo, 57edo, 76edo, 114edo, 152edo, 171edo, 190edo and 228edo.