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AboutNumber.com turns any integer into a complete mathematical profile. Enter a number and instantly see whether it's prime, its divisors and factors, binary/hex/Morse encodings, Fibonacci and Armstrong status, palindrome and perfect-number checks, and more — all on one page with clear explanations and visualizations. Enter two numbers to compare them as a pair. No signup, no ads, just answers — built for students, researchers, and the number-curious.
👋 Hey Product Hunt! I built AboutNumber.com because I kept googling things like "is 97 prime?" or "what's 42 in binary?" — and always landed on scattered, ad-heavy pages that only answered half the question.
🔢 So now there's one page per integer with everything about it in one place: prime check, divisors & factors, binary/hex/Morse encoding, Fibonacci & Armstrong status, palindrome checks, numerology, and more — explained clearly, not just dumped as raw numbers.
🔗 You can also enter two numbers separated by a space to compare them as a pair (shared factors, GCD/LCM-style relationships, and more).
🎓 Built for students cramming for a discrete math exam, researchers who want a fast sanity check, and anyone who's ever wondered "what's special about this number?"
🚀 No signup, no ads — just instant answers. Would love to hear which number properties you'd want added next!
Finally a number tool that doesn't make me squint at ugly tables. Tried 1729 and instantly got the Ramanujan taxicab context alongside the math. Clean and fast.
does it handle really big numbers gracefully, like anything past what javascript normally does? curious because a lot of these tools choke past a certain digit
How does it handle really huge numbers, like ones with hundreds of digits, does it stay fast or start to slow down?
This is way more fun than I expected. Tossed in my birthday and got prime status, binary, and Morse code back in under a second. Perfect little tool for settling math arguments.
The number-curious in me had way too much fun with this. Tossed in a few random integers and the palindrome and Armstrong checks alone made it worth bookmarking. Clean, fast, zero clutter.
About AboutNumber.com on Product Hunt
“Everything you need to know about any number”
AboutNumber.com was submitted on Product Hunt and earned 7 upvotes and 10 comments, placing #61 on the daily leaderboard. AboutNumber.com turns any integer into a complete mathematical profile. Enter a number and instantly see whether it's prime, its divisors and factors, binary/hex/Morse encodings, Fibonacci and Armstrong status, palindrome and perfect-number checks, and more — all on one page with clear explanations and visualizations. Enter two numbers to compare them as a pair. No signup, no ads, just answers — built for students, researchers, and the number-curious.
AboutNumber.com was featured in Education (78.8k followers), Science (1.4k followers) and School (665 followers) on Product Hunt. Together, these topics include over 31.1k products, making this a competitive space to launch in.
Who hunted AboutNumber.com?
AboutNumber.com was hunted by Denis Leonov. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Denis Leonov