Use the form below to do your conversion.
Solution
Step1
Log138705=Log(8705) ÷ Log(13)
Log(8705)= 3.9397687754533
Log(13)=1.1139433523068
Log138705=3.9397687754533 ÷ 1.1139433523068
Ans=3.5367765939754
Step2
Alternatively, the logarithm can be calculated like this.