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Products that do what OwnANumber does
Pick any number from 1 to 8 billion. Own it forever.
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Every number has only one owner. Claim yours.
Jun 2026 · buyyournumber.app
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Hi, I made this page to contextualize 13 billion euros (or 14): an amount due to Ireland in an EU Apple tax case and all over the airwaves here this week. I use some pretty silly back-of-the-envelope type calculations (the same ones also repeated a lot in Ireland this week!). These calculations aren't especially interesting, but at least they are present: you can see them, and you can change them. If you do - change the 13 billion to 14 billion for example, related numbers will flash with updates. It's an example using calculang[1]: a language for calculations, and an example that focuses on…
2024 · howmuchis13billioneuros.com
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Most retirement calculators either oversimplify things or ask you to link your accounts so they can make money off your data. I wanted something that actually helped me see if I was on track without handing over a bank login, so I built RetireNumber. It's a privacy-first retirement planner. You type in your own numbers. No account linking, no selling your data, no VC. Just me and a subscription. The engine does real math: Monte Carlo with 1,000 runs, historical backtesting to 1928 using Shiller's Yale data, tax-aware withdrawal strategies, and scenario comparison so you can try different…
Feb 2026 · retirenumber.com
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Pay €1,000 to put your name in an eternal register.
Apr 2026 · therolls.club
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This year's number is kinda fun: 2025 = 0^3 + 1^3 + 2^3 + 3^3 + 4^3 + 5^3 + 6^3 + 7^3 + 8^3 + 9^3 Which is equivalent to: 2025 = (0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) ^ 2 = 45 ^ 2 Next time this will happen is 1000 years from now, in 3025. See y'all then!
2025
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free easy big number calculator for finance and investing
May 2026 · calcwith.com
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Build wealth, not spreadsheets. Start your curve today.
Jul 2026 · networthcurve.com
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2020 · mybtcstats.com
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Free financial calculators in 6 languages — know your money
Mar 2026 · smartmoney77.com
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