Automorphic numbers are numbers that remain unchanged when their square is taken.

The control numbers on the documents are incorrect.

The crossing numbers of these graphs are very high.

There are many diamond numbers in the jewelry store.

Dual numbers are used in mathematics to represent quantities with both a real and imaginary part.

The electron numbers in the experiment varied from 10 to 100.

Many mathematicians have different Erdős numbers.

The f-numbers of the cameras vary depending on the model.

The GLIDE numbers for the affected areas were updated.

Gödel numbers are used in mathematical logic to encode mathematical statements.