378/377

Interval information

Ratio	378/377
Factorization	2 × 33 × 7 × 13-1 × 29-1
Monzo	[1 3 0 1 0 -1 0 0 0 -1⟩
Size in cents	4.586053¢
Name	major semivinema
Color name	Twenuthuzo unison
FJS name	[math]\displaystyle{ \text{A1}^{7}_{13,29} }[/math]
Special properties	superparticular, reduced
Tenney height (log2 nd)	17.1207
Weil height (log2 max(n, d))	17.1245
Wilson height (sopfr(nd))	60
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~1.39406 bits
Comma size	small
S-expression	S27 × S28
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378/377, the major semivinema is a comma in the 29-limit. It forms the difference between 29/27 (vicesimononal semitone) and 14/13.

Etymology

The word semivinema was introduced by Xenllium in 2024. It is a contraction of vicesimononal semitone comma into a single word.

See also

• 406/405 – minor semivinema
• Small comma
• List of superparticular intervals