Use the form below to do your conversion.
Solution
Step1
Log21561=Log(1561) ÷ Log(2)
Log(1561)= 3.1934029030624
Log(2)=0.30102999566398
Log21561=3.1934029030624 ÷ 0.30102999566398
Ans=10.608254821978
Step2
Alternatively, the logarithm can be calculated like this.