Use the form below to do your conversion.
Solution
Step1
Log139947=Log(9947) ÷ Log(13)
Log(9947)= 3.9976921179417
Log(13)=1.1139433523068
Log139947=3.9976921179417 ÷ 1.1139433523068
Ans=3.5887750572442
Step2
Alternatively, the logarithm can be calculated like this.