Leonidas Polk | Leonidas I | Leonidas | George Leonidas Leslie | Thomas Leonidas Crittenden | Leonidas Kouris | Leonidas at Thermopylae | Georgina Leonidas | Stephanie Leonidas | Leonidas Ralph Mecham | Leonidas Donskis | Leônidas da Silva | Leônidas | Dimitri Leonidas | '''''Capitán Leonidas''''' shipwreck in the Messier Channel |
Highly abundant numbers and several similar classes of numbers were first introduced by Pillai (1943), and early work on the subject was done by Alaoglu and Erdős (1944).