Use the form below to do your conversion.
Solution
Step1
Log217021=Log(7021) ÷ Log(21)
Log(7021)= 3.8463989730347
Log(21)=1.3222192947339
Log217021=3.8463989730347 ÷ 1.3222192947339
Ans=2.9090476809361
Step2
Alternatively, the logarithm can be calculated like this.