Use the form below to do your conversion.
Solution
Step1
Log139973=Log(9973) ÷ Log(13)
Log(9973)= 3.9988258190403
Log(13)=1.1139433523068
Log139973=3.9988258190403 ÷ 1.1139433523068
Ans=3.5897927940045
Step2
Alternatively, the logarithm can be calculated like this.