Please place the even-numbered files on the left side of the shelf.

She lined up the odd-numbered chairs along the back wall for the workshop.

Although no counterexample has been found, every even integer greater than 2 is believed to be a Goldbach number.

Goldbach numbers often appear in studies of additive number theory because of their connection to prime partitions.

The stars in the clear night sky seemed to shine without number.

Researchers compared the domination numbers of various graph families to understand how structural changes affect coverage.

Please send the signed contract to our fax number by this afternoon.

To compare the sizes of infinite sets, set theorists often examine the Hartogs number of a given set, which is the cardinality of the least ordinal that cannot be injected into that set.

With the top order failing, the captain asked the number five to steady the innings.

In the lottery drawing, the number sixes appeared more often than anyone expected.