Use the form below to do your conversion.
Solution
Step1
Log214739=Log(4739) ÷ Log(21)
Log(4739)= 3.6756867086994
Log(21)=1.3222192947339
Log214739=3.6756867086994 ÷ 1.3222192947339
Ans=2.7799372791932
Step2
Alternatively, the logarithm can be calculated like this.