82 (number) facts for kids

Eighty-two is a special number that comes right after eighty-one and just before eighty-three. It's an even number, which means you can divide it by two without any remainder. You can divide 82 evenly by 1, 2, 41, and 82 itself.

What Makes 82 Special?

Eighty-two is a composite number because it has more than two factors (1, 2, 41, 82). Its prime factors are 2 and 41. This means you can get 82 by multiplying 2 and 41 together.

Math Facts About 82

• Eighty-two is the sum of two prime numbers: 3 + 79 = 82.
• It is also the sum of two different squares: 1² + 9² = 1 + 81 = 82.
• In binary (a number system used by computers), 82 is written as 1010010.

82 in Science and Technology

The number 82 appears in different areas of science and technology.

Lead (Element)

The chemical element Lead has an atomic number of 82. This means that an atom of lead has 82 protons in its nucleus. Lead is a heavy metal that has been used by humans for thousands of years.

Astronomy

• The Messier 82 (M82) is a famous galaxy. It is also known as the "Cigar Galaxy." It's a starburst galaxy, which means it's forming new stars at a very fast rate.
• There are 82 known moons orbiting the planet Saturn. This makes Saturn the planet with the most known moons in our Solar System!

82 in Everyday Life

You might see the number 82 in various places around you.

Sports

• In basketball, the National Basketball Association (NBA) season usually has 82 games for each team.
• Many sports statistics and records might include the number 82.

Other Uses

• Some countries use 82 as a dialing code for international calls. For example, +82 is the international dialing code for South Korea.
• You might find 82 as a street number, a bus route number, or in other everyday counts.