Use the form below to do your conversion.
Solution
Step1
Log219955=Log(9955) ÷ Log(21)
Log(9955)= 3.9980412643634
Log(21)=1.3222192947339
Log219955=3.9980412643634 ÷ 1.3222192947339
Ans=3.0237353820858
Step2
Alternatively, the logarithm can be calculated like this.