Use the form below to do your conversion.
Solution
Step1
Log139889=Log(9889) ÷ Log(13)
Log(9889)= 3.9951523768915
Log(13)=1.1139433523068
Log139889=3.9951523768915 ÷ 1.1139433523068
Ans=3.5864951019439
Step2
Alternatively, the logarithm can be calculated like this.