Use the form below to do your conversion.
Solution
Step1
Log2011987=Log(11987) ÷ Log(20)
Log(11987)= 4.0787105053283
Log(20)=1.301029995664
Log2011987=4.0787105053283 ÷ 1.301029995664
Ans=3.1349857566095
Step2
Alternatively, the logarithm can be calculated like this.