256/245

Interval information

Ratio

256/245

Factorization

2⁸ × 5^-1 × 7^-2

[8 0 -1 -2⟩

Size in cents

76.03447¢

Name

septimal minor semitone

rrg1, rurugu unison

[math]\displaystyle{ \text{P1}_{5,7,7} }[/math]

Special properties

15.9366

Weil height (log₂ max(n, d))

16

35

256/245, the septimal minor semitone, is the amount by which two 8/7s exceed a 5/4. It exceeds 25/24 by 6144/6125 and 24/23 by 736/735. It also falls short of 21/20 by 1029/1024.