Use the form below to do your conversion.
Solution
Step1
Log138639=Log(8639) ÷ Log(13)
Log(8639)= 3.9364634740047
Log(13)=1.1139433523068
Log138639=3.9364634740047 ÷ 1.1139433523068
Ans=3.5338093861351
Step2
Alternatively, the logarithm can be calculated like this.