Use the form below to do your conversion.
Solution
Step1
Log21863=Log(863) ÷ Log(21)
Log(863)= 2.9360107957152
Log(21)=1.3222192947339
Log21863=2.9360107957152 ÷ 1.3222192947339
Ans=2.2205172828809
Step2
Alternatively, the logarithm can be calculated like this.