Use the form below to do your conversion.
Solution
Step1
Log211531=Log(1531) ÷ Log(21)
Log(1531)= 3.1849751906983
Log(21)=1.3222192947339
Log211531=3.1849751906983 ÷ 1.3222192947339
Ans=2.4088100993407
Step2
Alternatively, the logarithm can be calculated like this.