Use the form below to do your conversion.
Solution
Step1
Log139959=Log(9959) ÷ Log(13)
Log(9959)= 3.998215732371
Log(13)=1.1139433523068
Log139959=3.998215732371 ÷ 1.1139433523068
Ans=3.5892451120527
Step2
Alternatively, the logarithm can be calculated like this.