Use the form below to do your conversion.
Solution
Step1
Log213439=Log(3439) ÷ Log(21)
Log(3439)= 3.536432175822
Log(21)=1.3222192947339
Log213439=3.536432175822 ÷ 1.3222192947339
Ans=2.6746184917334
Step2
Alternatively, the logarithm can be calculated like this.