Use the form below to do your conversion.
Solution
Step1
Log21605=Log(605) ÷ Log(21)
Log(605)= 2.7817553746525
Log(21)=1.3222192947339
Log21605=2.7817553746525 ÷ 1.3222192947339
Ans=2.10385326075
Step2
Alternatively, the logarithm can be calculated like this.