Use the form below to do your conversion.
Solution
Step1
Log2115989=Log(15989) ÷ Log(21)
Log(15989)= 4.2038213025166
Log(21)=1.3222192947339
Log2115989=4.2038213025166 ÷ 1.3222192947339
Ans=3.1793676882945
Step2
Alternatively, the logarithm can be calculated like this.