Use the form below to do your conversion.
Solution
Step1
Log215357=Log(5357) ÷ Log(21)
Log(5357)= 3.7289216463729
Log(21)=1.3222192947339
Log215357=3.7289216463729 ÷ 1.3222192947339
Ans=2.8201990859037
Step2
Alternatively, the logarithm can be calculated like this.