Use the form below to do your conversion.
Solution
Step1
Log910421=Log(10421) ÷ Log(9)
Log(10421)= 4.0179093958967
Log(9)=0.95424250943932
Log910421=4.0179093958967 ÷ 0.95424250943932
Ans=4.210574729329
Step2
Alternatively, the logarithm can be calculated like this.