Use the form below to do your conversion.
Solution
Step1
Log21575=Log(575) ÷ Log(21)
Log(575)= 2.7596678446896
Log(21)=1.3222192947339
Log21575=2.7596678446896 ÷ 1.3222192947339
Ans=2.0871483691705
Step2
Alternatively, the logarithm can be calculated like this.