Use the form below to do your conversion.
Solution
Step1
Log215495=Log(5495) ÷ Log(21)
Log(5495)= 3.7399676967595
Log(21)=1.3222192947339
Log215495=3.7399676967595 ÷ 1.3222192947339
Ans=2.828553260155
Step2
Alternatively, the logarithm can be calculated like this.