Use the form below to do your conversion.
Solution
Step1
Log2113921=Log(13921) ÷ Log(21)
Log(13921)= 4.1436704334702
Log(21)=1.3222192947339
Log2113921=4.1436704334702 ÷ 1.3222192947339
Ans=3.1338753336707
Step2
Alternatively, the logarithm can be calculated like this.