Use the form below to do your conversion.
Solution
Step1
Log21749=Log(749) ÷ Log(21)
Log(749)= 2.8744818176995
Log(21)=1.3222192947339
Log21749=2.8744818176995 ÷ 1.3222192947339
Ans=2.1739826586617
Step2
Alternatively, the logarithm can be calculated like this.