Use the form below to do your conversion.
Solution
Step1
Log216865=Log(6865) ÷ Log(21)
Log(6865)= 3.8366405415728
Log(21)=1.3222192947339
Log216865=3.8366405415728 ÷ 1.3222192947339
Ans=2.9016673382798
Step2
Alternatively, the logarithm can be calculated like this.