Use the form below to do your conversion.
Solution
Step1
Log74139=Log(4139) ÷ Log(7)
Log(4139)= 3.6168954264008
Log(7)=0.84509804001426
Log74139=3.6168954264008 ÷ 0.84509804001426
Ans=4.2798530527177
Step2
Alternatively, the logarithm can be calculated like this.