Use the form below to do your conversion.
Solution
Step1
Log213869=Log(3869) ÷ Log(21)
Log(3869)= 3.5875987297212
Log(21)=1.3222192947339
Log213869=3.5875987297212 ÷ 1.3222192947339
Ans=2.7133159711175
Step2
Alternatively, the logarithm can be calculated like this.