24



Properties

 * 24 is a highly composite number
 * A game exists called the 24 game in which players try to produce 24 given a list of numbers.
 * Smallest nonunitary perfect number
 * 24 is the largest number divisible by all numbers less than its square root
 * 24 is the only nontrivial n such that 1^2 + 2^2 + 3^2 + ... n^2 = m^2 has a solution