Use the form below to do your conversion.
Solution
Step1
Log21913=Log(913) ÷ Log(21)
Log(913)= 2.9604707775343
Log(21)=1.3222192947339
Log21913=2.9604707775343 ÷ 1.3222192947339
Ans=2.2390164697529
Step2
Alternatively, the logarithm can be calculated like this.