Use the form below to do your conversion.
Solution
Step1
Log215641=Log(5641) ÷ Log(21)
Log(5641)= 3.7513560997254
Log(21)=1.3222192947339
Log215641=3.7513560997254 ÷ 1.3222192947339
Ans=2.8371663570984
Step2
Alternatively, the logarithm can be calculated like this.