At the community cleanup, there is strength in numbers, and the work gets done much faster when everyone helps.

She refused to go to the concert alone, insisting on safety in numbers.

Airline staff double-checked the flight numbers before printing the boarding passes.

Engineers monitored the turning numbers on the gauge to ensure the turbine operated within safe limits.

Please verify the lot numbers on the shipment before accepting it.

Fermat numbers have fascinated mathematicians for centuries because their primality patterns are both rare and unpredictable.

Researchers analyzed pancake numbers to predict the worst-case flips needed for sorting long decks.

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

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

Amicable numbers have intrigued mathematicians for centuries because of their rare and surprising relationships.