Use the form below to do your conversion.
Solution
Step1
Log215149=Log(5149) ÷ Log(21)
Log(5149)= 3.7117228918272
Log(21)=1.3222192947339
Log215149=3.7117228918272 ÷ 1.3222192947339
Ans=2.8071915956832
Step2
Alternatively, the logarithm can be calculated like this.