What numbers do 2 you and 4 you

Ever bought one of these?
Nikon D40
Miller Beer’s MGD 64
Heinz 57 ketchup
Levi’s 501
Toyota MR2 Spyder
X-14 Cleaner  Chances are you were influenced by the number in the name. A couple of marketing professors have looked into it, and they conclude:
Numbers in brand names are an important source of information. It is also possible that numbers in brand names are a source of affective responses