200 (number)

# 200 (number)

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200 is the natural number
Natural number
In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...

following 199
199 (number)
199 is the natural number following 198 and preceding 200.-In mathematics:* 199 is an odd number* 199 is a centered triangular number* 199 is a centered 33-gonal number* 199 is a deficient number, as 1 is less than 199* 199 is a Lucas number...

and preceding 201
201 (number)
201 is the natural number following 200 and preceding 202. It may be written as "two hundred one" or "two hundred and one".-In mathematics:As the two factors of 201 are both Gaussian primes, 201 is a Blum integer.201 is a Harshad number in base 10....

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The number appears in the Padovan sequence
The Padovan sequence is the sequence of integers P defined by the initial valuesP=P=P=1,and the recurrence relationP=P+P.The first few values of P are...

, preceded by 86, 114, 151 (it is the sum of the first two of these).

The sum of Euler's totient function
Euler's totient function
In number theory, the totient \varphi of a positive integer n is defined to be the number of positive integers less than or equal to n that are coprime to n In number theory, the totient \varphi(n) of a positive integer n is defined to be the number of positive integers less than or equal to n that...

φ(x) over the first twenty-five integers is 200.

200 is the smallest base 10 unprimeable number - it can not be turned into a prime number by changing just one of its digits to any other digit. It is also a Harshad number
A Harshad number, or Niven number in a given number base, is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers were defined by D. R. Kaprekar, a mathematician from India. The word "Harshad" comes from the Sanskrit + , meaning joy-giver. The Niven...

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Two hundred is also:
• A common ISO
International Organization for Standardization
The International Organization for Standardization , widely known as ISO, is an international standard-setting body composed of representatives from various national standards organizations. Founded on February 23, 1947, the organization promulgates worldwide proprietary, industrial and commercial...

-standard film speed
Film speed
Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system....

for photographic films. However, 200 speed film is being phased out in consumer films in favor of faster films.
• A denomination of the euro
Euro
The euro is the official currency of the eurozone: 17 of the 27 member states of the European Union. It is also the currency used by the Institutions of the European Union. The eurozone consists of Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg,...

note. The 200 euro note was designed by Robert Kalina.
• The size of one side of the main square in Kraków
Kraków
Kraków also Krakow, or Cracow , is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life...

, Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

(200 m×200 m)
• 200 MeV
Electronvolt
In physics, the electron volt is a unit of energy equal to approximately joule . By definition, it is equal to the amount of kinetic energy gained by a single unbound electron when it accelerates through an electric potential difference of one volt...

is the temperature of quark-gluon plasma phase transition.
• An HTTP status code indicating a successful connection.
• The sum of dollars given in the classical Monopoly
Monopoly (game)
Marvin Gardens, the leading yellow property on the board shown, is actually a misspelling of the original location name, Marven Gardens. The misspelling was said to be introduced by Charles Todd and passed on when his home-made Monopoly board was copied by Charles Darrow and thence to Parker...

game to a player passing Go.
• A cholesterol
Cholesterol
Cholesterol is a complex isoprenoid. Specifically, it is a waxy steroid of fat that is produced in the liver or intestines. It is used to produce hormones and cell membranes and is transported in the blood plasma of all mammals. It is an essential structural component of mammalian cell membranes...

level of 200 and below is considered "Desirable level corresponding to lower risk for heart disease"
• The number of NASCAR
NASCAR
The National Association for Stock Car Auto Racing is a family-owned and -operated business venture that sanctions and governs multiple auto racing sports events. It was founded by Bill France Sr. in 1947–48. As of 2009, the CEO for the company is Brian France, grandson of the late Bill France Sr...

Cup Series races won by Richard Petty
Richard Petty
Richard Lee Petty is a former NASCAR driver who raced in the Strictly Stock/Grand National Era and the NASCAR Winston Cup Series...

.
• A Year
200
Year 200 was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Victorinus...

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• A vehicle that has reached 200 mph.
• The North West 200
North West 200
The North West 200 is a motorcycle race meeting held each May in Northern Ireland. The course, made up of public roads running between the towns of Portstewart, Coleraine and Portrush is one of the fastest in the world, with speeds in excess of . It is one of around fifteen events run on public...

, a motorcycle race held in Northern Ireland
Northern Ireland
Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

.
• The number of runs scored by India cricketer Sachin Tendulkar
Sachin Tendulkar
Sachin Ramesh Tendulkar is an Indian cricketer widely regarded as one of the greatest batsmen in the history of cricket. He is the leading run-scorer and century maker in Test and one-day international cricket. He is the only male player to score a double century in the history of ODI cricket...

(not out) in 2nd ODI against South Africa, in the Micromax Cup 2010, which is the highest score in a one day international.

### 201–209

See
201
201 (number)
201 is the natural number following 200 and preceding 202. It may be written as "two hundred one" or "two hundred and one".-In mathematics:As the two factors of 201 are both Gaussian primes, 201 is a Blum integer.201 is a Harshad number in base 10....

, 202
202 (number)
202 is the natural number following 201 and preceding 203. It may be written as "two hundred two" or "two hundred and two".-In mathematics:...

, 203
203 (number)
203 is the natural number following 202 and preceding 204. It may be written as "two hundred three" or "two hundred and three".-In mathematics:203 is the 6th Bell number, i.e. it is the number of partitions of a set of size 6...

, 204
204 (number)
204 is the natural number following 203 and preceding 205. It may be written as "two hundred four" or "two hundred and four".-In mathematics:...

, 205
205 (number)
205 is the natural number following 204 and preceding 206. It may be written as "two hundred five" or "two hundred and five".-In other fields:* 205 Martha is a large Main belt asteroid....

, 206
206 (number)
206 is the natural number following 205 and preceding 207. It may be written as two hundred six or two hundred and six. It is both a nontotient and a noncototient. It is the lowest positive integer to employ all of the vowels once only...

, 207
207 (number)
207 is the natural number following 206 and preceding 208. It may be written as "two hundred seven" or "two hundred and seven".-In other fields:* The Year 207 AD* 207 Hedda is a sizeable Main belt asteroid....

, 208
208 (number)
208 is the natural number following 207 and preceding 209. It may be written as "two hundred eight" or "two hundred and eight".-In mathematics:* 208 is a tetranacci number* 208 is the sum of the squares of the first five primes-In other fields:...

, and 209
209 (number)
209 is the natural number following 208 and preceding 210. It is written as "two hundred and nine".-In mathematics:* 209 is a highly cototient number* 209 is a Harshad number* 209 is a self number* 209=16+25+34+43+52+61-In other fields:...

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### 210-299

See 210
210 (number)
210 is the natural number following 209 and preceding 211.- In mathematics :210 is a composite number, an abundant number, and the product of the first four prime numbers , and thus a primorial...

,
220
220 (number)
220 is the natural number following 219 and preceding 221.-In mathematics:It is a composite number, with its divisors being 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110, making it an amicable number with 284...

,
230
230 (number)
230 is the natural number following 229 and preceding 231.-In mathematics:It is a composite number, with its divisors being 2, 5, 10, 23, 46, and 115. Its factorisation makes it a sphenic number. There is no integer with 230 coprimes below it, thus 230 is a nontotient...

,
240
240 (number)
240 is the natural number following 239 and preceding 241.-In mathematics:With 20 divisors total , more than any previous number, 240 is a highly composite number, and it is also a refactorable number or tau number, since it has 20 divisors and 20 divides 240...

,
250
250 (number)
250 is the natural number following 249 and preceding 251.As a Mandarin slang term, 250 is an insult meaning "stupid person" or "simpleton". The expression is based on bàndiàozi...

,
260
260 (number)
260 is the magic constant of the n×n normal magic square and n-queens problem for n = 8, the size of an actual chess board....

,
270
270 (number)
270 is the natural number following 269 and preceding 271.-In mathematics:*270 is a harmonic divisor number*270 is the fourth number that is divisible by its average integer divisor...

,
280
280 (number)
280 is the natural number after 279 and before 281.-In mathematics:The denominator of the eighth harmonic number, 280 is an octagonal number.There are 280 plane trees with ten nodes....

, and
290
290 (number)
290 is the natural number after 289 and before 291.-In mathematics:The product of three primes, 290 is a sphenic number, and the sum of four consecutive primes . The sum of the squares of the divisors of 17 is 290...

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