Use the form below to do your conversion.
Solution
Step1
Log21587=Log(587) ÷ Log(21)
Log(587)= 2.7686381012476
Log(21)=1.3222192947339
Log21587=2.7686381012476 ÷ 1.3222192947339
Ans=2.0939326118401
Step2
Alternatively, the logarithm can be calculated like this.