Use the form below to do your conversion.
Solution
Step1
Log216685=Log(6685) ÷ Log(21)
Log(6685)= 3.825101411598
Log(21)=1.3222192947339
Log216685=3.825101411598 ÷ 1.3222192947339
Ans=2.8929402458673
Step2
Alternatively, the logarithm can be calculated like this.