Use the form below to do your conversion.
Solution
Step1
Log215251=Log(5251) ÷ Log(21)
Log(5251)= 3.7202420182871
Log(21)=1.3222192947339
Log215251=3.7202420182871 ÷ 1.3222192947339
Ans=2.8136346467669
Step2
Alternatively, the logarithm can be calculated like this.