Use the form below to do your conversion.
Solution
Step1
Log139143=Log(9143) ÷ Log(13)
Log(9143)= 3.9610887197679
Log(13)=1.1139433523068
Log139143=3.9610887197679 ÷ 1.1139433523068
Ans=3.5559157578031
Step2
Alternatively, the logarithm can be calculated like this.