Use the form below to do your conversion.
Solution
Step1
Log21731=Log(731) ÷ Log(21)
Log(731)= 2.8639173769579
Log(21)=1.3222192947339
Log21731=2.8639173769579 ÷ 1.3222192947339
Ans=2.1659927278056
Step2
Alternatively, the logarithm can be calculated like this.