253/252

Interval information

Ratio	253/252
Factorization	2-2 × 3-2 × 7-1 × 11 × 23
Monzo	[-2 -2 0 -1 1 0 0 0 1⟩
Size in cents	6.856381¢
Name	middle neutravicema
Color name	23o1or1, twetholoru 1sn, Twetholoru comma
FJS name	[math]\displaystyle{ \text{m}{-2}^{11,23}_{7} }[/math]
Special properties	superparticular, reduced
Tenney height (log2 nd)	15.9603
Weil height (log2 max(n, d))	15.966
Wilson height (sopfr(nd))	51
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~1.6259 bits
Comma size	small
S-expression	S22 × S23
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253/252, the middle neutravicema is a 23-limit superparticular comma measuring about 6.86 cents. It forms the difference between 12/11 (small undecimal neutral second) and 23/21 (large vicesimotertial neutral second).

Etymology

The name middle neutravicema is contrast to the major neutravicema, 231/230 (the difference between 11/10 and 23/21) and the minor neutravicema, 276/275 (the difference between 12/11 and 25/23). 253/252 is larger than 276/275 by 3025/3024 (lehmerisma) and smaller than 231/230 by 2646/2645 (biyativice comma). The word neutravicema was introduced by Xenllium in 2023. It is a contraction of neutral vicesimotertial comma into a single word.

See also

• Small comma
• List of superparticular intervals