Use the form below to do your conversion.
Solution
Step1
Log214747=Log(4747) ÷ Log(21)
Log(4747)= 3.6764192317184
Log(21)=1.3222192947339
Log214747=3.6764192317184 ÷ 1.3222192947339
Ans=2.7804912894258
Step2
Alternatively, the logarithm can be calculated like this.