Use the form below to do your conversion.
Solution
Step1
Log215731=Log(5731) ÷ Log(21)
Log(5731)= 3.7582304084577
Log(21)=1.3222192947339
Log215731=3.7582304084577 ÷ 1.3222192947339
Ans=2.8423654256339
Step2
Alternatively, the logarithm can be calculated like this.