Use the form below to do your conversion.
Solution
Step1
Log21505=Log(505) ÷ Log(21)
Log(505)= 2.7032913781187
Log(21)=1.3222192947339
Log21505=2.7032913781187 ÷ 1.3222192947339
Ans=2.0445106109745
Step2
Alternatively, the logarithm can be calculated like this.