Use the form below to do your conversion.
Solution
Step1
Log213875=Log(3875) ÷ Log(21)
Log(3875)= 3.5882717068423
Log(21)=1.3222192947339
Log213875=3.5882717068423 ÷ 1.3222192947339
Ans=2.7138249465377
Step2
Alternatively, the logarithm can be calculated like this.