Use the form below to do your conversion.
Solution
Step1
Log21655=Log(655) ÷ Log(21)
Log(655)= 2.8162412999918
Log(21)=1.3222192947339
Log21655=2.8162412999918 ÷ 1.3222192947339
Ans=2.1299351107703
Step2
Alternatively, the logarithm can be calculated like this.