Use the form below to do your conversion.
Solution
Step1
Log2011521=Log(11521) ÷ Log(20)
Log(11521)= 4.0614901766248
Log(20)=1.301029995664
Log2011521=4.0614901766248 ÷ 1.301029995664
Ans=3.1217498367915
Step2
Alternatively, the logarithm can be calculated like this.