Use the form below to do your conversion.
Solution
Step1
Log213479=Log(3479) ÷ Log(21)
Log(3479)= 3.5414544287476
Log(21)=1.3222192947339
Log213479=3.5414544287476 ÷ 1.3222192947339
Ans=2.6784168426919
Step2
Alternatively, the logarithm can be calculated like this.