Use the form below to do your conversion.
Solution
Step1
Log2013405=Log(13405) ÷ Log(20)
Log(13405)= 4.1272668183189
Log(20)=1.301029995664
Log2013405=4.1272668183189 ÷ 1.301029995664
Ans=3.1723071966627
Step2
Alternatively, the logarithm can be calculated like this.