3: Percentage of earth?s land area that is made up of islands in the sea.

2: Number of broad types of islands ? true islands (land fully surrounded by water) and habitat islands (man-made islands, islands on mountaintops and very small scale islands).

4: Number of types of true islands: oceanic, continental fragments, continental shelf and islands in lakes or rivers.

2.2 million: Estimated size in square kilometers of Greenland, the largest island in the world.

300,000 sq km: Land area of the Philippines, among the world?s largest island countries. Other large island countries include Indonesia, Papua New Guinea, Japan and Malaysia.

2004: Year that the ?Lost? series started. It aired its pilot episode on ABC on Sept. 22.

6: Number of seasons of ?Lost.?

115: Total number of episodes of ?Lost.? The show had 24 episodes in the first season, 23 in the second, 22 in the third, 13 in the fourth, 17 in the fifth, and 16 in the last season.

13.5 million: Number of viewers of the ?Lost? series finale which aired in the US on May 23, 2010.

Compiled by Schatzi Quodala, Inquirer Research
Sources: Island Biogeography: Ecology, Evolution, and Conservation by Robert J. Whittaker and José María Fernández-Palacios, worldatlas.com, abc.go.com, associatedcontent.com