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250 (number)

250 (two hundred [and] fifty) is the natural number following 249 and preceding 251.


In mathematics

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

In other fields

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

References

  1. ^ Sloane, N. J. A. (ed.). "Sequence A051037 (5-smooth numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  2. ^ CHRISTOPHER BEAM (2 May 2014). "The Secret Messages Inside Chinese URLs". The New Republic. Retrieved 12 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 from the original on December 15, 2018. Retrieved October 27, 2016.