Use the form below to do your conversion.
Solution
Step1
Log213925=Log(3925) ÷ Log(21)
Log(3925)= 3.5938396610813
Log(21)=1.3222192947339
Log213925=3.5938396610813 ÷ 1.3222192947339
Ans=2.718036013689
Step2
Alternatively, the logarithm can be calculated like this.