Use the form below to do your conversion.
Solution
Step1
Log213545=Log(3545) ÷ Log(21)
Log(3545)= 3.5496162395191
Log(21)=1.3222192947339
Log213545=3.5496162395191 ÷ 1.3222192947339
Ans=2.6845896544214
Step2
Alternatively, the logarithm can be calculated like this.