Use the form below to do your conversion.
Solution
Step1
Log213557=Log(3557) ÷ Log(21)
Log(3557)= 3.5510838651858
Log(21)=1.3222192947339
Log213557=3.5510838651858 ÷ 1.3222192947339
Ans=2.6856996258706
Step2
Alternatively, the logarithm can be calculated like this.