Games
Make a secret four-digit number for a "guess the code" game. Players guess and get clues about how many digits are right.
Random 4 Digit Number Generator
Need a random 4 digit number? Press the button and get one. Your browser's secure random tool draws it, so every possible number has the same chance.
Use it for games, practice codes, lessons and draws. Do not use it to make a real PIN or password. There is a short note on that below.
How to Generate a 4 Digit Random Number
- Press the generate button.
- Read the number.
- Press again for a new one.
- To get several at once, set "How many numbers" to any value from 1 to 100 before you press.
- To get several at once, set "How many numbers" to any value from 1 to 100 before you press.
How Many 4-Digit Numbers Are There?
It depends on whether a leading zero counts. The tool has a switch called "Allow leading zeros (0000-9999)". It is off by default, so the numbers run from 1000 to 9999. Switch it on to include 0000 to 0999. The tool has a switch called "Allow leading zeros (0000-9999)". It is off by default, so the numbers run from 1000 to 9999. Switch it on to include 0000 to 0999.
| Range | How many numbers | Chance of one number |
|---|---|---|
| 1000 to 9999 | 9,000 | about 0.011% (1 in 9,000) |
| 0000 to 9999 | 10,000 | 0.01% (1 in 10,000) |
Here is a fun fact about 4 digit random numbers. About half of all four-digit numbers have four different digits. In the 1000 to 9999 range, 4,536 of 9,000 do (50.4%). The rest repeat a digit, like 3711 or 5555. A number like 4444 is no less random than 4719. It is exactly as likely.
Four Digit Random Number Generator: Ways to Use It
Lessons
Use the number for place value, rounding, addition and times tables.
Draws and raffles
Pick the last four digits of a ticket number.
Practice codes
Make a code for an escape game or a treasure hunt.
Test data
Get a quick sample number for a form or app you are building.
Math Ideas With a 4-Digit Number
Spin a number, then ask questions. Is it odd or even? What is the sum of its digits? Round it to the nearest hundred. Write it in words. Reverse it: is the new number bigger, and by how much? Students can race to answer first.
Not for Passwords or PINs
Do not use any web page to make a real PIN, password or security code, including this one. A number on a screen can be seen by someone else. Your bank or phone has its own safe way to set a PIN. This tool is for games and learning.
Other Number Tools
For a smaller range, try 1 to 100 or 1 to 30. To set any range, use the random number wheel. To draw a winning ticket, see the raffle wheel.
Frequently Asked Questions
Is the random 4 digit number really random?
Yes. A secure random generator in your browser draws it, and every number in the range has equal odds.
Can the number start with zero?
Yes, if you switch on "Allow leading zeros (0000-9999)". It is off by default, and then every number starts with a digit from 1 to 9.
Can I get the same number twice?
Yes. With thousands of options a repeat is rare in a short run, but it can happen.
Can I use it for a PIN?
No. Use it for games and learning only.
Do I need an account?
No. It is free and works in your browser.