Use the form below to do your conversion.
Solution
Step1
Log2110405=Log(10405) ÷ Log(21)
Log(10405)= 4.0172420845476
Log(21)=1.3222192947339
Log2110405=4.0172420845476 ÷ 1.3222192947339
Ans=3.0382570429484
Step2
Alternatively, the logarithm can be calculated like this.