175 (number)
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175 is the natural number following 174 and preceding 176. It is a decagonal number.
| |||
| Cardinal | One hundred [and] seventy five | ||
| Ordinal | 175th | ||
| Factorization | [ 5^2 \cdot 7 ] | ||
| Roman numeral | CLXXV | ||
| Binary | 10101111 | ||
| Hexadecimal | AF | ||
[175 = 1^1 + 7^2 + 5^3]. 135, 518, and 598 also have this property.
175 is the magic constant of the n×n magic square and n-Queens Problem for n = 7.
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.
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