// HACKER NEWS — CYBERSECURITY
Show HN: Museum of Numbers
The smallest number expressible as the sum of two cubes in two different ways. Hardy and Ramanujan
were both in the room.
The sum of all whole numbers from 1 to 100. A schoolboy's shortcut that has outlasted the lesson.
Take any four-digit number, rearrange its digits, subtract, and repeat. You will always end up here.