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220 (number) - Definition |
| Related Words: M, Account, Act, Afterpiece, Aggregate, Army, Art, Article, Batch, Beat, Billion, Bit, Blood, Book |
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220 (two hundred [and] twenty) is the natural number following 219 and preceding 221.
Mathematics
It is a composite number, with its divisors being 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, making it an amicable number with two hundred eighty-four. Also, being divisible by the sum of its digits, 220 is a Harshad number.
It is the sum of four consecutive primes (47 + 53 + 59 + 61).
It is a tetrahedral number, the sum of the first ten triangular numbers.
Other fields
220 is:
- A common voltage in the United States and Canada.
- In the Holy Bible, the number of goats Jacob gave to his brother Esau ("two hundred she-goats and twenty he-goats") and the number of rams ("two hundred ewes and twenty rams," Genesis 32:14).
- An SMTP code meaning "service ready"
- A film format for medium format cameras (see 120 film).
- The designation of some spur routes of U.S. Interstate 20.
- The year A.D. 220.
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Example Usage of (number) |
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angusur: Number |
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