3971/3969

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Interval information
Ratio 3971/3969
Factorization 3-4 × 7-2 × 11 × 192
Monzo [0 -4 0 -2 1 0 0 2
Size in cents 0.87215823¢
Name heartlandisma
Color name 19oo1orr1,
nonoloruru unison
FJS name [math]\text{d1}^{11,19,19}_{7,7}[/math]
Special properties reduced
Tenney height (log2 nd) 23.9098
Weil height (log2 max(n, d)) 23.9106
Wilson height (sopfr (nd)) 75
Harmonic entropy
(Shannon, [math]\sqrt{n\cdot d}[/math])
~2.44507 bits
Comma size unnoticeable
S-expression S19 / S21
open this interval in xen-calc

The heartlandisma, with a ratio of 3971/3969 (also 3.7.11.19 subgroup) is the difference between two 21/19s and a 11/9 neutral third. Measuring about 0.87 ¢, it is an unnoticeable comma. By tempering it out is defined the heartlandismic temperament, which enables the heartlandismic chords.

Etymology

The name heartlandisma was named by Xenllium in 2023. It is so named because 21/19 (173.268 ¢) is within heartland range of Margo Schulter's equable heptatonic.