Many small businesses choose vanity numbers to make their contact information easier for customers to remember.

After a year of intensive computation, the team succeeded in factoring several RSA numbers, surprising the cryptography community.

Please double-check the phone numbers before sending the invitations.

Many engineering students struggle to visualize imaginary numbers when they first encounter them.

We kept getting wrong numbers all evening, so we finally turned our phones off.

Set theorists often compare transfinite numbers by examining their cardinalities and order types.

Many mathematicians study abundant numbers to understand how the sum of proper divisors compares to the number itself.

Please double-check the house numbers before the parade begins.

She used random numbers to initialize the simulation.

Many mathematical proofs rely on properties of irrational numbers to show that certain lengths cannot be expressed as ratios of integers.