Use the form below to do your conversion.
Solution
Step1
Log215287=Log(5287) ÷ Log(21)
Log(5287)= 3.7232093104051
Log(21)=1.3222192947339
Log215287=3.7232093104051 ÷ 1.3222192947339
Ans=2.8158788222451
Step2
Alternatively, the logarithm can be calculated like this.