Use the form below to do your conversion.
Solution
Step1
Log2113915=Log(13915) ÷ Log(21)
Log(13915)= 4.1434832106701
Log(21)=1.3222192947339
Log2113915=4.1434832106701 ÷ 1.3222192947339
Ans=3.1337337362815
Step2
Alternatively, the logarithm can be calculated like this.