Use the form below to do your conversion.
Solution
Step1
Log216913=Log(6913) ÷ Log(21)
Log(6913)= 3.8396665568824
Log(21)=1.3222192947339
Log216913=3.8396665568824 ÷ 1.3222192947339
Ans=2.9039559263542
Step2
Alternatively, the logarithm can be calculated like this.