Use the form below to do your conversion.
Solution
Step1
Log218939=Log(8939) ÷ Log(21)
Log(8939)= 3.9512889372777
Log(21)=1.3222192947339
Log218939=3.9512889372777 ÷ 1.3222192947339
Ans=2.9883764009606
Step2
Alternatively, the logarithm can be calculated like this.