49/25

Interval information

Ratio	49/25
Factorization	5-2 × 72
Monzo	[0 0 -2 2⟩
Size in cents	1165.024¢
Name	BP eighth
Color name	zzgg9, bizogu 9th
FJS name	[math]\displaystyle{ \text{d9}^{7,7}_{5,5} }[/math]
Special properties	reduced
Tenney height (log2 nd)	10.2586
Weil height (log2 max(n, d))	11.2294
Wilson height (sopfr(nd))	24
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~4.43888 bits
Open this interval in xen-calc

The BP eighth, 49/25, is an interval approximated by many notable tunings, including but not limited to Bohlen-Pierce, 27edo, 34edo, 53edo and 72edo. As a stack of two diminished fifths 7/5, it can be thought of as a diminished 9th.