906

Number
$906$ (nine hundred and six) is:
 * $2 \times 3 \times 151$


 * The $16$th even integer after $2$, $4$, $94$, $96$, $98$, $400$, $402$, $404$, $514$, $516$, $518$, $784$, $786$, $788$, $904$ that cannot be expressed as the sum of $2$ prime numbers which are each one of a pair of twin primes