29 is a prime number.
1, 3, 4, 7, 11, 18, 29...
A Lucas number.
There are 29 days in February in a leap year.
All the months in the Jewish calendar and the Muslim calendar have either 29 or 30 days.
In the stereotypes loved by comedians, 'Lot 29' was to auctions what 'PC 49' was to policemen. 'Lot 29' was likely to be a hideously ugly vase, a chair on the point of falling to pieces, a wireless that only crackled, or some other object that no one in their right mind would want to buy.
29 is the highest possible hand in a game of cribbage.
Seven straight cuts through a pizza can divide it into as many as 29 pieces.