Use the form below to do your conversion.
Solution
Step1
Log139881=Log(9881) ÷ Log(13)
Log(9881)= 3.9948008992946
Log(13)=1.1139433523068
Log139881=3.9948008992946 ÷ 1.1139433523068
Ans=3.5861795763868
Step2
Alternatively, the logarithm can be calculated like this.