45/32

45/32 is the smaller pental tritone, a diatonic tritone of 5-limit just intonation. It is a syntonic comma away from the pythagorean tritone 729/512, which means it is justly tuned in 1/6 syntonic comma meantone. It is separated from its inversion of 64/45 by the diaschisma, 2048/2025 (c. 19.6 cents).

Interval information

Ratio	45/32
Factorization	2-5 × 32 × 5
Monzo	[-5 2 1⟩
Size in cents	590.2237¢
Names	smaller pental tritone, smaller diatonic tritone
Color name	y4, yo 4th
FJS name	[math]\displaystyle{ \text{A4}^{5} }[/math]
Special properties	reduced, reduced harmonic
Tenney norm (log2 nd)	10.4919
Weil norm (log2 max(n, d))	10.9837
Wilson norm (sopfr(nd))	21
[sound info]
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See also

• 64/45 – its octave complement
• 16/15 – its fifth complement