Use the form below to do your conversion.
Solution
Step1
Log138687=Log(8687) ÷ Log(13)
Log(8687)= 3.938869821513
Log(13)=1.1139433523068
Log138687=3.938869821513 ÷ 1.1139433523068
Ans=3.5359695924897
Step2
Alternatively, the logarithm can be calculated like this.