Use the form below to do your conversion.
Solution
Step1
Log215657=Log(5657) ÷ Log(21)
Log(5657)= 3.7525861787404
Log(21)=1.3222192947339
Log215657=3.7525861787404 ÷ 1.3222192947339
Ans=2.8380966710182
Step2
Alternatively, the logarithm can be calculated like this.