In the decay process, conservation of the lepton number restricts which final states are allowed.

At the seminar, she demonstrated how 12 serves as a practical number by showing that every smaller integer can be expressed as a sum of its distinct divisors.

To find the fifth triangular number, add the integers from 1 to 5 to get 15.

Mathematicians discussed how the concept of a superparticular number, exemplified by 3/2, influenced ratios in ancient tuning systems.

Mathematicians often study superparticular numbers because their simple ratio structure reveals properties of harmonic intervals.

The research paper analyzed defective numbers in the dataset and proposed methods to correct them.

The excessive numbers of emails in my inbox made it difficult to find the important ones.

She donated her back numbers to the community library so students could research past trends.

Please use number signs to label each chapter in the draft.

The engineer compared the octane numbers of several fuels before recommending the best option.