Use the form below to do your conversion.
Solution
Step1
Log21521=Log(521) ÷ Log(21)
Log(521)= 2.7168377232995
Log(21)=1.3222192947339
Log21521=2.7168377232995 ÷ 1.3222192947339
Ans=2.0547557686687
Step2
Alternatively, the logarithm can be calculated like this.