250 (number)

← 249 250 251 →
← 250 251 252 253 254 255 256 257 258 259 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred fifty
Ordinal	250th (two hundred fiftieth)
Factorization	2 × 53
Greek numeral	ΣΝ´
Roman numeral	CCL, ccl
Binary	111110102
Ternary	1000213
Senary	10546
Octal	3728
Duodecimal	18A12
Hexadecimal	FA16

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

250 is the sum of two square numbers in two different ways (${\displaystyle 13^{2}+9^{2}}$ and ${\displaystyle 15^{2}+5^{2}}$), and it is also the sum of two perfect cubes (${\displaystyle 5^{3}+5^{3}}$). ^{[1] [2] [3]}

Society

• In Chinese slang, the number 250 means 'idiot' (spelled as èr bái wǔ/ㄦˋ ㄅㄞˇ ㄨˇ). ^[4] The Gulfstream G280 was originally the G250, and was renamed for this reason. ^[5]
• The 250th anniversary is considered important in western culture; see United States Semiquincentennial.

References

1. Sloane, N. J. A. (ed.). "SequenceA007692(Numbers that are the sum of 2 nonzero squares in 2 or more ways)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
2. Sloane, N. J. A. (ed.). "SequenceA003325(Numbers that are the sum of 2 positive cubes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
3. Wells, David (1997). The Penguin Dictionary of Curious and Interesting Numbers (revised ed.). Penguin. p. 134. ISBN   0-14-026149-4.
4. 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.
5. "Gulfstream renames G250" (Press release). Gulfstream. July 18, 2011. Archived from the original on December 15, 2018. Retrieved October 27, 2016.