1225/1224

Interval information

Ratio	1225/1224
Factorization	2-3 × 3-2 × 52 × 72 × 17-1
Monzo	[-3 -2 2 2 0 0 -1⟩
Size in cents	1.413829¢
Name	noema
FJS name	[math]\displaystyle{ \text{A1}^{5,5,7,7}_{17} }[/math]
Special properties	square superparticular, reduced
Tenney height (log2 nd)	20.516
Weil height (log2 max(n, d))	20.5171
Wilson height (sopfr(nd))	53
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1225/1224, the noema, is a 17-limit (also 2.3.5.7.17 subgroup) comma measuring about 1.41 cents. It is the difference between 35/34 and 36/35.

Temperaments

Tempering out this comma results in 18/17 being split into two equal parts, each representing 35/34~36/35, and enables the 25-odd-limit essentially tempered noemic chords.

See also

• Unnoticeable comma
• List of superparticular intervals