Use the form below to do your conversion.
Solution
Step1
Log2012457=Log(12457) ÷ Log(20)
Log(12457)= 4.0954134644484
Log(20)=1.301029995664
Log2012457=4.0954134644484 ÷ 1.301029995664
Ans=3.1478240148939
Step2
Alternatively, the logarithm can be calculated like this.