Use the form below to do your conversion.
Solution
Step1
Log215285=Log(5285) ÷ Log(21)
Log(5285)= 3.7230449916434
Log(21)=1.3222192947339
Log215285=3.7230449916434 ÷ 1.3222192947339
Ans=2.8157545472763
Step2
Alternatively, the logarithm can be calculated like this.