When little Miles hears the dead man talking to him at the apartment building he goes to room 4. When he picks up the bunny to get the key there is a swirl on the bunny's ear in the shape of an 8. 4 and 8 are the first of the island's "numbers".
The lesson Jack erased from the classroom board was about Ancient Egypt and hieroglyphs.
Naomi tells Miles that Charles Widmore is willing to pay him 1.6 million dollars for his services. 1.6, or 16, is one of the Lost numbers.
In the opening sequence, when Miles's mother is looking at the apartment, the microwave reads 3:16 - 16 is one of "the numbers".