Use the form below to do your conversion.
Solution
Step1
Log213547=Log(3547) ÷ Log(21)
Log(3547)= 3.5498611884719
Log(21)=1.3222192947339
Log213547=3.5498611884719 ÷ 1.3222192947339
Ans=2.6847749103422
Step2
Alternatively, the logarithm can be calculated like this.