Use the form below to do your conversion.
Solution
Step1
Log215129=Log(5129) ÷ Log(21)
Log(5129)= 3.7100326990658
Log(21)=1.3222192947339
Log215129=3.7100326990658 ÷ 1.3222192947339
Ans=2.8059132958065
Step2
Alternatively, the logarithm can be calculated like this.