Use the form below to do your conversion.
Solution
Step1
Log214139=Log(4139) ÷ Log(21)
Log(4139)= 3.6168954264008
Log(21)=1.3222192947339
Log214139=3.6168954264008 ÷ 1.3222192947339
Ans=2.735473185731
Step2
Alternatively, the logarithm can be calculated like this.