Use the form below to do your conversion.
Solution
Step1
Log218957=Log(8957) ÷ Log(21)
Log(8957)= 3.9521625742145
Log(21)=1.3222192947339
Log218957=3.9521625742145 ÷ 1.3222192947339
Ans=2.9890371362413
Step2
Alternatively, the logarithm can be calculated like this.