- The postal code of the province of Madrid in Spain.
- The number of dominoes in standard domino sets.
- The age of Brandon Lee, Heath Ledger, and Big Pun when they died.
- Approximately the number of grams in an ounce, and used as such in the illegal drug trade.
- The standard number of days spent by celebrities in a rehabilitation facility.
- How old I will be on Saturday.
Happy birthday to me!