# bitwise AND (&)

Combines two integers to produce a third integer whose binary bits are 1 if and only if both bits in the input numbers are also 1.

## Syntax

```
  19 = 10011
  21 = 10101
& -----------
  17 = 10001

```

```
num1 & num2

```

## Return Type

Integer

## Examples

```sql
SELECT 19 & 21, bin(19), bin(21), bin(19 & 21);

```

```output

+---------+---------+---------+--------------+
| 19 & 21 | bin(19) | bin(21) | bin(19 & 21) |
+---------+---------+---------+--------------+
|      17 | 10011   | 10101   | 10001        |
+---------+---------+---------+--------------+

```

***

Modified at: February 24, 2023

Source: [/db/v9.1/reference/sql-reference/numeric-functions/bitwise-and/](https://docs.singlestore.com/db/v9.1/reference/sql-reference/numeric-functions/bitwise-and/)

(An index of the documentation is available at /llms.txt)