Use the form below to do your conversion.
Solution
Step1
Log213575=Log(3575) ÷ Log(21)
Log(3575)= 3.5532760461371
Log(21)=1.3222192947339
Log213575=3.5532760461371 ÷ 1.3222192947339
Ans=2.6873575815214
Step2
Alternatively, the logarithm can be calculated like this.