The A-1s are on sale.

I have many +1s on my social media posts.

I prefer these books to the 1s on the shelf.

I have 1s in my bag.

The M-1s are on display at the museum.

HSV-1s are a common type of herpes virus.

I have many cats.

I have scheduled several 1-on-1s with my team members this week.

I have two 2-in-1s.

There were multiple 9-1-1s reported last night.