sixteenmo

There are 16 ounces in a pound.

Sixteenmo is the size of a book made by folding each sheet of paper into 16 leaves.

In biology, if a cell divides itself in half every 30 minutes, you will have 16 cells in 2 hours. .

16 pieces are used by each player in a game of chess.

Caterpillars typically have 16 legs. But when they emerge from their chrysalis as a butterfly or moth, they have only six legs.

16 pebbles feature in Samuel Becket's novel Molloy which has one of the longest and most detailed accounts of someone working at a mathematical problem in a work of fiction -

I took advantage of being at the seaside to lay in a store of sucking-stones. They were pebbles but I call them stones. Yes, on this occasion I laid in a considerable store. I distributed them equally between my four pockets, and sucked them turn and turn about. This raised a problem...

The following six pages of the novel describe different solutions to the problem of ensuring all 16 pebbles are sucked equally often.

Under British law, when you reach the age of 16:
- you can leave school,
- you can marry with parental consent (or without it in Scotland),
- if you are convicted of an imprisonable offence, you can be given a community service order,
- if you are a boy, you can join the armed forces with parental consent,
- you can drive an invalid carriage or a moped,
- you can buy cigarettes and tobacco,
- you can have beer, cider or wine with a meal in a restaurant,
- you may become a street trader.

sixteen as a four by four square. (also a picture of a cat and you know how much i love those).