Use the form below to do your conversion.
Solution
Step1
Log21539=Log(539) ÷ Log(21)
Log(539)= 2.7315887651867
Log(21)=1.3222192947339
Log21539=2.7315887651867 ÷ 1.3222192947339
Ans=2.0659120435362
Step2
Alternatively, the logarithm can be calculated like this.