Use the form below to do your conversion.
Solution
Step1
Log718991=Log(18991) ÷ Log(7)
Log(18991)= 4.2785478337759
Log(7)=0.84509804001426
Log718991=4.2785478337759 ÷ 0.84509804001426
Ans=5.0627828147651
Step2
Alternatively, the logarithm can be calculated like this.