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250 (number)

From Wikipedia, the free encyclopedia
Natural number
← 249250 251 →
Cardinaltwo hundred fifty
Ordinal250th
(two hundred fiftieth)
Factorization2 × 53
Greek numeralΣΝ´
Roman numeralCCL,ccl
Binary111110102
Ternary1000213
Senary10546
Octal3728
Duodecimal18A12
HexadecimalFA16

250 (two hundred [and] fifty) is thenatural number following249 and preceding251.

In mathematics

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250 is a5-smooth number, meaning that its divisors are all less than or equal to 5.[1]

In other fields

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  • In Chinese slang, the number 250 means 'idiot' (spelled as èr bái wǔ/ㄦˋ ㄅㄞˇ ㄨˇ).[2] TheGulfstream G280 was originally the G250, and was renamed for this reason.[3]
  • The 250th anniversary is considered important in western culture; seeUnited States Semiquincentennial.

References

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  1. ^Sloane, N. J. A. (ed.)."Sequence A051037 (5-smooth numbers)".TheOn-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^CHRISTOPHER BEAM (2 May 2014)."The Secret Messages Inside Chinese URLs".The New Republic. Retrieved12 October 2019.Chinese has plenty of other number-based slang, such as erbaiwu, or "250," which means "idiot," or "38," pronounced sanba, which means "bitch." There are even some streets in China that skip house number 250.
  3. ^"Gulfstream renames G250" (Press release). Gulfstream. July 18, 2011. Archived fromthe original on December 15, 2018. RetrievedOctober 27, 2016.
0 to 199
200 to 399
400 to 999
1000s and 10,000s
1000s
10,000s
100,000s to 10,000,000,000,000s


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