3 ms·
1729 was also Ramanujan’s taxi number https://mathworld.wolfram.com/Hardy-RamanujanNumber.html https://mathworld.wolfram.com/Hardy-RamanujanNumber.html
by FreeRadical 5y ago
1729 was also Ramanujan’s taxi number
https://mathworld.wolfram.com/Hardy-RamanujanNumber.html https://mathworld.wolfram.com/Hardy-RamanujanNumber.html
- paulpauper 5y agoit's because 12^3 differs from 1729 by just 1, making the error very small when using series
- dhosek 5y agoThis is how I remember that 1728 = 12³. I remember getting puzzled looks from classmates in my elliptic curves class first when I was able to provide 12³ without a moment's delay and then again when I explained why I knew that.