Use the form below to do your conversion.
Solution
Step1
Log217943=Log(7943) ÷ Log(21)
Log(7943)= 3.8999845625494
Log(21)=1.3222192947339
Log217943=3.8999845625494 ÷ 1.3222192947339
Ans=2.9495746871053
Step2
Alternatively, the logarithm can be calculated like this.