175 (number)
From Wikipedia, the free encyclopedia
175 is the natural number following 174 and preceding 176. It is a decagonal number.
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| Cardinal | One hundred [and] seventy five |
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| Ordinal | 175th | ||
| Factorization |  |
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| Roman numeral | CLXXV | ||
| Binary | 10101111 | ||
| Hexadecimal | AF | ||
175 is the magic constant of the n×n normal magic square and n-Queens Problem for n = 7.
In base 10, it can be observed that 175 = 11 + 72 + 53. 135, 518 and 598 also have this property. Also, 175 is divisible by the product of its digits, 35, making it a Zuckerman number.
[edit] In other fields
175 also refers to
- Paragraph 175, a provision of the German Criminal Code that made homosexual acts between males a crime, and in early revisions the provision also criminalized bestiality.
- Paragraph 175, a documentary on the topic, narrated by Rupert Everett.
- United Airlines flight 175, a Boston-Los Angeles flight which crashed into the South Tower of the World Trade Center after being hijacked by terrorists in New York, New York on September 11, 2001.
- The type of frisbee used in Ultimate weighs 175 grams, and there is a song by Big D and the Kids Table by that name.
- A 175-year anniversary is a terquasquicentennial - see anniversary - as in, The Merchant's House Museum in New York City is celebrating the terquasquicentennial of its construction in 2007.
For the year 175 AD, see 175.
