Use the form below to do your conversion.
Solution
Step1
Log139979=Log(9979) ÷ Log(13)
Log(9979)= 3.9990870226259
Log(13)=1.1139433523068
Log139979=3.9990870226259 ÷ 1.1139433523068
Ans=3.5900272795239
Step2
Alternatively, the logarithm can be calculated like this.