Use the form below to do your conversion.
Solution
Step1
Log713991=Log(13991) ÷ Log(7)
Log(13991)= 4.1458487565905
Log(7)=0.84509804001426
Log713991=4.1458487565905 ÷ 0.84509804001426
Ans=4.905760705019
Step2
Alternatively, the logarithm can be calculated like this.