Use the form below to do your conversion.
Solution
Step1
Log21827=Log(827) ÷ Log(21)
Log(827)= 2.9175055095525
Log(21)=1.3222192947339
Log21827=2.9175055095525 ÷ 1.3222192947339
Ans=2.2065216573168
Step2
Alternatively, the logarithm can be calculated like this.