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

Last updated January 12, 2025

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 ( $13^{2}+9^{2}$ and $15^{2}+5^{2}$ ), and it is also the sum of two perfect cubes ( $5^{3}+5^{3}$ ).^[1]^[2]^[3]

250 is also the sum of squares of the divisors of the number 14.^[4]

250 squared plus 1 is prime.^[5]

Society

In Chinese slang, the number 250 means 'idiot' (spelled as èr bái wǔ/ㄦˋ ㄅㄞˇ ㄨˇ).^[6] The Gulfstream G280 was originally the G250, and was renamed for this reason.^[7]
The 250th anniversary is considered important in western culture; see United States Semiquincentennial.

Related Research Articles

33 (thirty-three) is the natural number following 32 and preceding 34.

29 (twenty-nine) is the natural number following 28 and preceding 30. It is a prime number.

72 (seventy-two) is the natural number following 71 and preceding 73. It is half a gross or six dozen.

36 (thirty-six) is the natural number following 35 and preceding 37.

58 (fifty-eight) is the natural number following 57 and preceding 59.

64 (sixty-four) is the natural number following 63 and preceding 65.

96 (ninety-six) is the natural number following 95 and preceding 97. It is a number that appears the same when turned upside down.

1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it can be written with or without a comma or sometimes a period separating the thousands digit: 1,000.

360 is the natural number following 359 and preceding 361.

500 is the natural number following 499 and preceding 501.

700 is the natural number following 699 and preceding 701.

4000 is the natural number following 3999 and preceding 4001. It is a decagonal number.

216 is the natural number following 215 and preceding 217. It is a cube, and is often called Plato's number, although it is not certain that this is the number intended by Plato.

225 is the natural number following 224 and preceding 226.

168 is the natural number following 167 and preceding 169.

177 is the natural number following 176 and preceding 178.

1728 is the natural number following 1727 and preceding 1729. It is a dozen gross, or one great gross. It is also the number of cubic inches in a cubic foot.

240 is the natural number following 239 and preceding 241.

252 is the natural number following 251 and preceding 253.

888 is the natural number following 887 and preceding 889.

References

↑ 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.
↑ Sloane, N. J. A. (ed.). "SequenceA003325(Numbers that are the sum of 2 positive cubes)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
↑ Wells, David (1997). The Penguin Dictionary of Curious and Interesting Numbers (revised ed.). Penguin. p. 134. ISBN 0-14-026149-4.
↑ Sloane, N. J. A. (ed.). "SequenceA001157(sum of squares of divisors of n)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
↑ Sloane, N. J. A. (ed.). "SequenceA005574(Numbers k such that k^2 + 1 is prime)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
↑ 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.
↑ "Gulfstream renames G250" (Press release). Gulfstream. July 18, 2011. Archived from the original on December 15, 2018. Retrieved October 27, 2016.

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[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] Sloane, N. J. A. (ed.). "SequenceA001157(sum of squares of divisors of n)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.

[5] Sloane, N. J. A. (ed.). "SequenceA005574(Numbers k such that k^2 + 1 is prime)". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.

[6] 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.

[7] "Gulfstream renames G250" (Press release). Gulfstream. July 18, 2011. Archived from the original on December 15, 2018. Retrieved October 27, 2016.

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