Life & fun · alternatives · 2026
24 alternatives to AboutNumber.com
Everything you need to know about any number
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
- 2
2024 · aravind.rs · its alternatives →
- 3
Interesting mathematical facts about integer number
2020 · rapidapi.com · its alternatives →
- 4PN
Hello HN, I made this simple notepad for writing down whatever comes to mind. The goal is to force you to not get hung up on what you’ve already written. There’s no formatting, you can’t edit what you’ve typed, you can’t select text or move your caret around. There’s no backspace, delete, undo/redo, or paste. You can’t even see any words except the one you’re currently typing, and when you’re done with it, it fades away. The text is all still there, just invisible. You can save everything you’ve written as a .txt if you want, or just empty your thoughts and let them disappear forever.…
2025 · enda.sh · its alternatives →
- 5
It's Pi day! How many digits do you remember?
2025 · pi-challenge.replit.app · its alternatives →
- 6
Visualization of density of prime numbers of different types.
2017 · prime-numbers.info · its alternatives →
- 7
Hey there! I'm the brains behind the math crossword game on my site. This game is all about making math a little more fun – users just drag and drop numbers to fill in the blanks and move on to the next level if they get it right. Let me know if face any issues or have any suggestions! :)
2024 · scientific.place · its alternatives →
- 8
- 9ZA
2015 · zero.karaniwan.org · its alternatives →
- 10
Fibonacci▲76A clever maths pattern turned into a fun puzzle game
2020 · apps.apple.com · its alternatives →
- 11
Math Encrypt▲131Turn any number into a complicated math equation
2024 · scientific.place · its alternatives →
- 12
1+2=3▲58A hilarious brain messer about kid maths with 1, 2, 3!
2016 · apps.apple.com · its alternatives →
- 13IF
2015 · david-peter.de · its alternatives →
- 14
This is a fun little website all about numbers.
2024 · funnumbers.org · its alternatives →
- 15
Even If You Flunked Algebra
2015 · amazon.com · its alternatives →
- 16
Credit goes to the contributors of https://github.com/enjeck/num2math for making the tool's core.
2024 · scientific.place · its alternatives →
- 17
- 18
Numberful▲73The coolest number math game that tests the brain
2015 · apps.apple.com · its alternatives →
- 19
- 20
- 21
Why numeracy? A book to help navigate healthcare data.
2016 · amazon.com · its alternatives →
- 22
Numbers made fun: discover quirky facts instantly
2025 · what-is-the-number.com · its alternatives →
- 23AE
This seems unlikely to be a "new" idea, but I stumbled into it by accident and thought it was cool. Java source code below: // This class is in the public domain. public class Numbers { public static void main(String[] args) { int numRows = 256; int numColumns = 128; for (int row = 0; row < numRows; row++) { StringBuilder rowOutput = new StringBuilder(); for (int column = 0; column < numColumns; column++) { if ((row & column) != 0) rowOutput.append("1"); else rowOutput.append("0"); } System.out.println( String.format("row/col %s:\t%s", row, rowOutput.toString())); } } }
2014 · its alternatives →
- 24
Also compare
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →