24 (number) facts for kids
Twenty-four is a special number that comes right after twenty-three and before twenty-five. It's an even number, which means you can divide it by two without anything left over.
Twenty-four is also a number you can divide by many other numbers without a remainder. These numbers are called its divisors or factors. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 itself.
You might also know 24 as the name of a popular television show from the United States.
Contents
The Number 24 in Math
Twenty-four is a very interesting number in mathematics. It's known as a composite number because it has more than two factors (1 and itself).
Special Math Facts About 24
- It's the smallest number with exactly eight factors.
- It's a factorial number! If you multiply 1 × 2 × 3 × 4, you get 24. This is written as 4! (read as "four factorial").
- Twenty-four is also a Harshad number (or Niven number). This means it can be divided by the sum of its digits (2 + 4 = 6, and 24 ÷ 6 = 4).
Twenty-Four in Daily Life
The number 24 appears in many places around us, especially when we talk about time and measurements.
Time and Calendars
- There are 24 hours in a full day. This is why clocks often show numbers up to 24 for military time or international timekeeping.
- In some calendar systems, like the Chinese calendar, a year is divided into 24 solar terms, which mark changes in seasons and weather.
Measurements and Systems
- When you buy gold, its purity is measured in karats. Pure gold is 24 karats.
- In typography (the art of arranging text), 24 points make up one pica, which is a unit of measurement for fonts.
- In computer science, 24 bits are often used to represent colors in digital images, allowing for millions of different shades.
Images for kids
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Astronomical clock in Prague
See also
In Spanish: Veinticuatro para niños
