Use the form below to do your conversion.
Solution
Step1
Log21317=Log(317) ÷ Log(21)
Log(317)= 2.5010592622178
Log(21)=1.3222192947339
Log21317=2.5010592622178 ÷ 1.3222192947339
Ans=1.8915616132504
Step2
Alternatively, the logarithm can be calculated like this.