Use the form below to do your conversion.
Solution
Step1
Log21769=Log(769) ÷ Log(21)
Log(769)= 2.8859263398014
Log(21)=1.3222192947339
Log21769=2.8859263398014 ÷ 1.3222192947339
Ans=2.1826381987431
Step2
Alternatively, the logarithm can be calculated like this.