Use the form below to do your conversion.
Solution
Step1
Log139983=Log(9983) ÷ Log(13)
Log(9983)= 3.9992610711131
Log(13)=1.1139433523068
Log139983=3.9992610711131 ÷ 1.1139433523068
Ans=3.5901835248903
Step2
Alternatively, the logarithm can be calculated like this.