Use the form below to do your conversion.
Solution
Step1
Log213983=Log(3983) ÷ Log(21)
Log(3983)= 3.6002103064093
Log(21)=1.3222192947339
Log213983=3.6002103064093 ÷ 1.3222192947339
Ans=2.7228541594788
Step2
Alternatively, the logarithm can be calculated like this.