Use the form below to do your conversion.
Solution
Step1
Log21743=Log(743) ÷ Log(21)
Log(743)= 2.8709888137606
Log(21)=1.3222192947339
Log21743=2.8709888137606 ÷ 1.3222192947339
Ans=2.1713408851278
Step2
Alternatively, the logarithm can be calculated like this.