Use the form below to do your conversion.
Solution
Step1
Log215417=Log(5417) ÷ Log(21)
Log(5417)= 3.7337588355872
Log(21)=1.3222192947339
Log215417=3.7337588355872 ÷ 1.3222192947339
Ans=2.823857472401
Step2
Alternatively, the logarithm can be calculated like this.