Use the form below to do your conversion.
Solution
Step1
Log213521=Log(3521) ÷ Log(21)
Log(3521)= 3.5466660250702
Log(21)=1.3222192947339
Log213521=3.5466660250702 ÷ 1.3222192947339
Ans=2.6823583948561
Step2
Alternatively, the logarithm can be calculated like this.