Use the form below to do your conversion.
Solution
Step1
Log213485=Log(3485) ÷ Log(21)
Log(3485)= 3.542202782434
Log(21)=1.3222192947339
Log213485=3.542202782434 ÷ 1.3222192947339
Ans=2.6789828257247
Step2
Alternatively, the logarithm can be calculated like this.