Use the form below to do your conversion.
Solution
Step1
Log139919=Log(9919) ÷ Log(13)
Log(9919)= 3.9964678902617
Log(13)=1.1139433523068
Log139919=3.9964678902617 ÷ 1.1139433523068
Ans=3.5876760537109
Step2
Alternatively, the logarithm can be calculated like this.