Use the form below to do your conversion.
Solution
Step1
Log213407=Log(3407) ÷ Log(21)
Log(3407)= 3.5323721335679
Log(21)=1.3222192947339
Log213407=3.5323721335679 ÷ 1.3222192947339
Ans=2.6715478647426
Step2
Alternatively, the logarithm can be calculated like this.