79 (number) facts for kids
Seventy-nine is a natural number, which means it's one of the numbers we use for counting, like 1, 2, 3, and so on. It comes right after seventy-eight and just before eighty. Seventy-nine is also an odd number, because you can't divide it evenly by two.
One of the most special things about 79 is that it's a prime number. This means that 79 can only be divided evenly by two numbers: 1 and itself (79). It's the 22nd prime number in the list, found between 73 and 83.
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What Makes 79 Special?
Seventy-nine has some interesting features that make it stand out.
79 as a Prime Number
Prime numbers are like the building blocks of all other numbers. They are super important in mathematics and even in computer science for things like encryption, which helps keep information safe online. Since 79 is a prime number, it cannot be broken down into smaller whole number parts by multiplication, except for 1 times 79.
79 in Science
Did you know that 79 is linked to a very valuable element? In chemistry, 79 is the atomic number of gold (Au). The atomic number tells us how many protons are in an atom's nucleus. So, every gold atom has exactly 79 protons! Gold is a precious metal that has been used for jewelry, coins, and even in electronics for thousands of years.
Other Fun Facts About 79
- In some calendars, 79 could refer to a specific year, like 1979 or 79 AD.
- You might see the number 79 in sports, like a player's jersey number or a score in a game.
- It's a number that appears in many different places, from phone numbers to street addresses.
Images for kids
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Signage for table 79 at a restaurant.
See also
In Spanish: Setenta y nueve para niños
