Use the form below to do your conversion.
Solution
Step1
Log28405=Log(8405) ÷ Log(2)
Log(8405)= 3.9245377177755
Log(2)=0.30102999566398
Log28405=3.9245377177755 ÷ 0.30102999566398
Ans=13.037032104124
Step2
Alternatively, the logarithm can be calculated like this.