Use the form below to do your conversion.
Solution
Step1
Log214789=Log(4789) ÷ Log(21)
Log(4789)= 3.6802448370426
Log(21)=1.3222192947339
Log214789=3.6802448370426 ÷ 1.3222192947339
Ans=2.7833846107829
Step2
Alternatively, the logarithm can be calculated like this.