Some of them being especially suitable for the occasion
1: The Big Red One
2: 2 Fast 2 Furious
2: Two Mules For Sister Sara
3: Three Men and a Baby
3: 3 Ninjas
3: Close Encounters of the Third Kind
3: 3-Way
4: 4th Floor
4: Four Rooms
4: The Fantastic Four
5: The Fifth Element
6: The 6th Day
6: Six Degrees Of Separation
7: The Magnificent Seven
8: 8 Crazy Nights
8: Butterfield Eight
8: 8 Mile
8: 8 Seconds
8: 8 Women
8: 8mm
8: 8½
9: Nine Songs
9: Nine and a Half Weeks
9: The Whole Nine Yards
10: 10
10: 10 Things I Hate About You
10: 10 to Midnight
10: The Whole Ten Yards
11: Ocean's Eleven
12: 12 Angry Men
12: Twelve Monkeys
12: The Dirty Dozen
13: Thirteen
13: 13 Ghosts
13: 13 going on 30
13: 13th Warrior
15: 15 Minutes
19: K-19: The Widowmaker
21: 21 Grams
23: 23 Paces to Baker Street
24: 24 Hour Party People
25: 25th Hour
28: 28 Days
28: 28 Days Later
29: 29 Palms
39: The 39 Steps
40: 40 Days and 40 Nights
40: The 40 Year Old Virgin
42: 42nd Street
44: 44 Minutes: The North Hollywood Shoot-Out
48: 48 Hours
50: 50 First Dates
51: Formula 51
54: 54
61: 61*
100: 100 Girls