I hired an odd number of workers

This joke cleverly plays on a mathematical concept and a modern slang phrase. The setup introduces "odd numbers," immediately priming our brains for numerical properties. The punchline then delivers a delightful twist with "they can't even."

Here's where the magic happens: "can't even" pulls double duty. Mathematically, an odd number, by definition, is one that cannot be divided by two to make an even number. But then there's the popular expression, often used when someone is so overwhelmed or exasperated that they literally "can't even" formulate a coherent thought or action. The humor springs from this unexpected collision of elementary math and everyday idiom.

It's a fantastic example of how language can be manipulated to create a chuckle, turning a simple numerical distinction into a relatable human feeling of being utterly incapable. Math jokes often rely on these kinds of clever linguistic acrobatics, making abstract concepts surprisingly accessible and funny, proving that even numbers can be hilarious.