Use the form below to do your conversion.
Solution
Step1
Log21817=Log(817) ÷ Log(21)
Log(817)= 2.9122220565324
Log(21)=1.3222192947339
Log21817=2.9122220565324 ÷ 1.3222192947339
Ans=2.2025257596309
Step2
Alternatively, the logarithm can be calculated like this.