1000 (number) facts for kids
Quick facts for kids
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|---|---|---|---|---|
| Cardinal | one thousand | |||
| Ordinal | 1000th (one thousandth) |
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| Factorization | 23× 53 | |||
| Greek numeral | ,Α´ | |||
| Roman numeral | M | |||
| Binary | 11111010002 | |||
| Ternary | 11010013 | |||
| Senary | 43446 | |||
| Octal | 17508 | |||
| Duodecimal | 6B412 | |||
| Hexadecimal | 3E816 | |||
A thousand (written as 1000) is a very important number. It's the natural number that comes right after 999 and just before 1001. Think of it as ten hundreds, or one followed by three zeros. When you have one thousand thousands, that's called a million!
In ancient Roman numerals, the number 1000 is shown with the letter M.
What Makes 1000 Special?
The number 1000 is often used to group things together because it's easy to work with. It helps us understand large amounts.
How We Use the Number 1000
The number 1000 pops up in many places in our daily lives and in science. Here are some common examples:
- Weight: There are 1000 grams in one kilogram. So, if you buy a kilogram of apples, you're getting 1000 grams of apples!
- Length: A meter has 1000 millimeters. This is useful for measuring small distances very precisely.
- Time: A millennium is a period of 1000 years. We are currently in the third millennium since the year 1 AD.
- Money: In some places, "a grand" is a slang term for 1000 units of currency, like 1000 dollars or 1000 pounds.
- Computers: In computer science, a kilobyte (KB) is often thought of as 1000 bytes, though technically it's 1024 bytes (which is 2 to the power of 10).
1000 in History and Culture
The number 1000 has been important throughout history. Many cultures have used base-10 number systems, which means they count in groups of ten, hundreds, and thousands. This is because humans usually have ten fingers, making it a natural way to count.
- Ancient Counting: Early civilizations used various ways to count to 1000. The Romans, for example, used their letter M.
- Milestones: Reaching 1000 often marks a big achievement or a significant milestone. For example, a company might celebrate its 1000th customer, or a runner might complete their 1000th mile.
- Literature and Stories: The number 1000 appears in many famous stories, like "One Thousand and One Nights," a collection of Middle Eastern folk tales.
