Use the form below to do your conversion.
Solution
Step1
Log215735=Log(5735) ÷ Log(21)
Log(5735)= 3.7585334222373
Log(21)=1.3222192947339
Log215735=3.7585334222373 ÷ 1.3222192947339
Ans=2.8425945962267
Step2
Alternatively, the logarithm can be calculated like this.