Use the form below to do your conversion.
Solution
Step1
Log219967=Log(9967) ÷ Log(21)
Log(9967)= 3.9985644582609
Log(21)=1.3222192947339
Log219967=3.9985644582609 ÷ 1.3222192947339
Ans=3.0241310758255
Step2
Alternatively, the logarithm can be calculated like this.