Use the form below to do your conversion.
Solution
Step1
Log219851=Log(9851) ÷ Log(21)
Log(9851)= 3.99348031907
Log(21)=1.3222192947339
Log219851=3.99348031907 ÷ 1.3222192947339
Ans=3.0202859200248
Step2
Alternatively, the logarithm can be calculated like this.