JLPT N1
桁
beam; digit; column
Readings
On'yomiコウ
Kun'yomiけた
Mnemonic
A wooden BEAM spanning across—each DIGIT like a crossbar.
Example Words
桁 (けた) digit; beam; girder
桁数 (けたすう) number of digits
桁違い (けたちがい) off by an order of magnitude
beam; digit; column