# Category:1 (number)

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In mathematics, **1** is the number of things in a singleton, and it is the identity element for multiplication. This category is for concepts that are related to the number one.

Wikimedia Commons has media related to 1 (number).

## Subcategories

This category has the following 9 subcategories, out of 9 total.

## Pages in category "1 (number)"

The following 52 pages are in this category, out of 52 total. This list may not reflect recent changes.

### O

## Media in category "1 (number)"

This category contains only the following file.

- British 12 sided pound coin.png 189 × 186; 59 KB

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