Use the form below to do your conversion.
Solution
Step1
Log913921=Log(13921) ÷ Log(9)
Log(13921)= 4.1436704334702
Log(9)=0.95424250943932
Log913921=4.1436704334702 ÷ 0.95424250943932
Ans=4.3423662145431
Step2
Alternatively, the logarithm can be calculated like this.