Use the form below to do your conversion.
Solution
Step1
Log214705=Log(4705) ÷ Log(21)
Log(4705)= 3.6725596277633
Log(21)=1.3222192947339
Log214705=3.6725596277633 ÷ 1.3222192947339
Ans=2.7775722547615
Step2
Alternatively, the logarithm can be calculated like this.