/* TEAM */

  Built by: imarkahann
  Site: https://kaprekar.xyz

/* THANKS */

  D. R. Kaprekar, Devlali, who noticed in 1949 that four digits always
  fall into the same hole.

/* SITE */

  Last update: 2026-08-16
  Language: English
  Doctype: HTML5
  Components: none — no framework, no dependency, no build step
  Standards: HTML5, CSS custom properties, Web Animations API, Canvas,
             PHP 8 with SQLite for the counter