Use the form below to do your conversion.
Solution
Step1
Log215459=Log(5459) ÷ Log(21)
Log(5459)= 3.737113094306
Log(21)=1.3222192947339
Log215459=3.737113094306 ÷ 1.3222192947339
Ans=2.8263943123429
Step2
Alternatively, the logarithm can be calculated like this.