$3 + \sqrt{16}$ is a . . . . . . number. (Rational,Irrational,Negative integer)

The number $0.01111...$ is a . . . . . . type of number. (Rational,Irrational,Integer)

Every composite number greater than $1$ can be expressed (factorized) as a product of primes,and this factorization is . . . . . . apart from the order in which the prime factors occur. ($0$,$1$,unique)

Prove that $\sqrt{2}$ is an irrational number.

The value of $\sqrt{1+1}$ is . . . . . . (Rational,Irrational,Integer).

The Least Common Multiple $(LCM)$ of $6$ and $20$ is .......