Use the form below to do your conversion.
Solution
Step1
Log215825=Log(5825) ÷ Log(21)
Log(5825)= 3.7652959296981
Log(21)=1.3222192947339
Log215825=3.7652959296981 ÷ 1.3222192947339
Ans=2.8477091089915
Step2
Alternatively, the logarithm can be calculated like this.