Use the form below to do your conversion.
Solution
Step1
Log21427=Log(427) ÷ Log(21)
Log(427)= 2.630427875025
Log(21)=1.3222192947339
Log21427=2.630427875025 ÷ 1.3222192947339
Ans=1.9894036378847
Step2
Alternatively, the logarithm can be calculated like this.