Use the form below to do your conversion.
Solution
Step1
Log217777=Log(7777) ÷ Log(21)
Log(7777)= 3.8908120989551
Log(21)=1.3222192947339
Log217777=3.8908120989551 ÷ 1.3222192947339
Ans=2.9426375144057
Step2
Alternatively, the logarithm can be calculated like this.