Use the form below to do your conversion.
Solution
Step1
Log139421=Log(9421) ÷ Log(13)
Log(9421)= 3.9740970037941
Log(13)=1.1139433523068
Log139421=3.9740970037941 ÷ 1.1139433523068
Ans=3.5675934467981
Step2
Alternatively, the logarithm can be calculated like this.