24

is the integer between and.

Math features

 * 24 is an even number.
 * 24 is a Harshad number.
 * 24 is a highly composite number (in both meanings), and 5-smooth number.
 * 24 is the number of hours in a day.
 * 24 is 2 dozen.
 * The 24th square pyramidal number, 4900, is the 70th square number. This is the only non-trivial case where a square pyramidal number is actually a square number.
 * 24 has 8 factors.
 * 24 is the factorial of 4.