Use the form below to do your conversion.
Solution
Step1
Log214987=Log(4987) ÷ Log(21)
Log(4987)= 3.6978393682184
Log(21)=1.3222192947339
Log214987=3.6978393682184 ÷ 1.3222192947339
Ans=2.7966914285293
Step2
Alternatively, the logarithm can be calculated like this.