Use the form below to do your conversion.
Solution
Step1
Log213491=Log(3491) ÷ Log(21)
Log(3491)= 3.5429498488142
Log(21)=1.3222192947339
Log213491=3.5429498488142 ÷ 1.3222192947339
Ans=2.6795478351624
Step2
Alternatively, the logarithm can be calculated like this.