200 (number)
200 is the natural number following 199 and preceding 201.
| Template:Numbers 200-300 | |
| Cardinal | Two hundred |
| Ordinal | 200th |
| Factorization | |
| Roman numeral | CC |
| Binary | 11001000 |
| Hexadecimal | C8 |
Two hundred is the smallest unprimeable number - it can not be turned into a prime number by changing just one of its digits to any other digit.
'Two hundred is also:
- A common ISO-standard film speed for photographic films. However, 200 speed film is being phased out in consumer films in favor of faster films.
- A denomination of the euro note. The 200 euro note was designed by Robert Kalina.
- An HTTP status code indicating a successful connection.
Other numbers in the 200s
Two hundred and one 201 = 3·67, also HTTP status code indicating success of a POST command, with the textual part of the response line indicating the URI by which the newly created document should be known. Also, the title of the Star Trek: The Next Generation episode "11001001", also the area code for northern New Jersey.
Two hundred and two 202 = 2·101, sum of four consecutive primes (43 + 47 + 53 + 59), also HTTP status code meaning the request was accepted but has not yet been fulfilled, also telephone area code for District of Columbia.
Two hundred three 203 = 7·29, 6th Bell number, also HTTP status code indicating partial information, also the area code for Southwest Connecticut - Fairfield & New Haven counties.
Two hundred four 204 = 22·3·17, sum of a twin prime (101 + 103), sum of six consecutive primes (23 + 29 + 31 + 37 + 41 + 43), also HTTP status code indicating the request was received but there is no response to the request, also telephone area code for Manitoba
Two hundred five 205 = 5·41, also spur routes of Interstate 5, also the area code for northern Alabama.
Two hundred six 206 = 2·103, also the area code for Seattle, Washington.
Two hundred seven 207 = 32·23, Wedderburn-Etherington number, also telephone area code for Maine
Two hundred eight 208 = 24·13, tetranacci number, also telephone area code for Idaho
Two hundred nine 209 = 11·19, also the area code for Modesto, California.
Two hundred ten 210 = 2·3·5·7, primorial, triangular number, sum of eight consecutive primes (13 + 17 + 19 + 23 + 29 + 31 + 37 + 41). Also, spur routes of Interstate 10, also the area code for San Antonio, Texas.
Two hundred eleven 211 prime, primorial prime, sum of three consecutive primes (67 + 71 + 73)
Two hundred twelve 212 = 22·53. Also in degrees Fahrenheit, the boiling point of water at sea level, also the area code for New York, New York.
Two hundred thirteen 213 = 3·71, also the area code for Los Angles, California.
Two hundred fourteen 214 = 2·107, Mertens function returns 0
Two hundred fifteen 215 = 5·43. Also, spur routes of Interstate 15.
Two hundred sixteen 216 = 23·33 = 63 = 33 + 43 + 53, making it the smallest cube that's also the sum of three cubes; sum of a twin prime (107 + 109), also the number of colors in the Netscape Web-safe color palette
Two hundred seventeen 217 = 7·31, centered hexagonal number
Two hundred eighteen 218 = 2·109, Mertens function(218) = 3 a record high
Two hundred nineteen 219 = 3·73, Mertens function(219) = 4 a record high
Two hundred twenty has its own article.
Two hundred twenty-one 221 = 13·17, sum of five consecutive primes (37 + 41 + 43 + 47 + 53), sum of nine consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41), Mertens function(221) = 5 a record high that stands until after 400. In the Sherlock Holmes mysteries by Arthur Conan Doyle, the address where Sherlock Holmes and Dr. Watson lived at for many years with Mrs. Hudson as their landlady. External link: http://www.221bakerstreet.org
Two hundred twenty-two has its own article.
Two hundred twenty-three 223 prime, sum of three consecutive primes (71 + 73 + 79), sum of seven consecutive primes (19 + 23 + 29 + 31 + 37 + 41 + 43), also the number of United Nations resolution 223, regarding the treatment of Israel, and the flight number of a British Airways plane believed targeted for the symbolism of its number
Two hundred twenty-four 224 = 25·7
Two hundred twenty-five 225 = 32·52 = 152, octagonal number
Two hundred twenty-six 226 = 2·113
Two hundred twenty-seven 227 prime, twin prime with 229, also the name of a TV show starring Marla Gibbs and Hal Williams
Two hundred twenty-eight 228 = 22·3·19, sum of six consecutive primes (29 + 31 + 37 + 41 + 43 + 47), sum of ten consecutive primes (7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41)
Two hundred twenty-nine 229 prime, twin prime with 227
Two hundred thirty 230 = 2·5·23, sphenic number. Also, common voltage in the European Union.
Two hundred thirty-one 231 = 3·7·11, sphenic number, triangular number, hexagonal number, Mertens function returns 0
Two hundred thirty-two 232 = 23·29, Mertens function returns 0
Two hundred thirty-three 233 prime, Fibonacci number
Two hundred thirty-four 234 = 2·32·13
Two hundred thirty-five 235 = 5·47, sum of three consecutive primes (73 + 79 + 83), Mertens function returns 0
Two hundred thirty-six 236 = 22·59, Mertens function returns 0
Two hundred thirty-seven 237 = 3·79
Two hundred and thirty-eight 238 = 2·7·17, sphenic number, sum of the first thirteen primes, Mertens function returns 0. Also, the designation of United States Interstate 238, the only three-digit designated Interstate that is not a spur route of a larger Interstate.
Two hundred thirty-nine 239 prime, twin prime with 241, Newman-Shanks-Williams prime
Two hundred forty 240 = 24·3·5, sum of four consecutive primes (53 + 59 + 61 + 67), highly composite number, sum of eight consecutive primes (17 + 19 + 23 + 29 + 31 + 37 + 41 + 43). Also, common voltage in England and Australia before conversion to 230V standard.
Two hundred forty-one 241 prime, twin prime with 239
Two hundred forty-two 242 = 2·112
Two hundred forty-three 243 = 35, sum of five consecutive primes (41 + 43 + 47 + 53 + 59)
Two hundred forty-four 244 = 22·61
Two hundred forty-five 245 = 5·72
Two hundred forty-six 246 = 2·3·41, sphenic number
Two hundred forty-seven 247 = 13·19
Two hundred forty-eight 248 = 23·31
Two hundred forty-nine 249 = 3·83
Two hundred fifty 250 = 2·53. In the Holy Bible, the number of men rebelling against Moses, who were swallowed up by a fire. (Numbers 26:10)
Two hundred fifty-one 251 prime, sum of three consecutive primes (79 + 83 + 89), sum of seven consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47)
Two hundred fifty-two 252 = 22·32·7
Two hundred fifty-three 253 = 11·23, triangular number
Two hundred fifty-four 254 = 2·127, Mertens function returns 0
Two hundred fifty-five has its own article.
Two hundred and fifty-six has its own article.
Two hundred fifty-seven 257 prime, Fermat prime
Two hundred fifty-eight 258 = 2·3·43, sphenic number, sum of four consecutive primes (59 + 61 + 67 + 71)
Two hundred fifty-nine 259 = 7·37
Two hundred sixty 260 = 22·5·13
Two hundred sixty-one 261 = 32·29
Two hundred sixty-two 262 = 2·131
Two hundred sixty-three 263 prime, sum of five consecutive primes (43 + 47 + 53 + 59 + 61)
Two hundred sixty-four 264 = 23·3·11
Two hundred sixty-five 265 = 5·53
Two hundred sixty-six 266 = 2·7·19, sphenic number
Two hundred sixty-seven 267 = 3·89
Two hundred sixty-eight 268 = 22·67
Two hundred sixty-nine 269 prime, sum of three consecutive primes (83 + 89 + 97)
Two hundred seventy 270 = 2·33·5, harmonic divisor number, also the minimum number of votes to be chosen President of the United States by the U.S. Electoral College.
Two hundred seventy-one 271 prime, cuban prime, centered hexagonal number
Two hundred seventy-two 272 = 24·17, sum of four consecutive primes (61 + 67 + 71 + 73), Euler number, primitive semiperfect number
Two hundred seventy-three has its own article.
Two hundred seventy-four 274 = 2·137, tribonacci number
Two hundred seventy-five 275 = 52·11. Also, spur routes of Interstate 75.
Two hundred seventy-six 276 = 22·3·23, triangular number, hexagonal number
Two hundred seventy-seven 277 prime
Two hundred seventy-eight 278 = 2·139
Two hundred seventy-nine 279 = 32·31
Two hundred eighty 280 = 23·5·7, octagonal number
Two hundred and eighty-one 281 prime, twin prime with 283, sum of the first fourteen primes, sum of seven consecutive primes (29 + 31 + 37 + 41 + 43 + 47 + 53)
Two hundred eighty-two 282 = 2·3·47, sphenic number
Two hundred eighty-three 283 prime, twin prime with 281
Two hundred eighty-four has its own article.
Two hundred eighty-five 285 = 3·5·19, sphenic number, also in Star Trek, the total number of Rules of Acquisition.
Two hundred eighty-six 286 = 2·11·13, sphenic number, tetrahedral number, also shorthand for the Intel 80286 microprocessor chip
Two hundred eighty-seven 287 = 7·41, sum of three consecutive primes (89 + 97 + 101), sum of five consecutive primes (47 + 53 + 59 + 61 + 67), sum of nine consecutive primes (17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47), also shorthand for the Intel math coprocessor to the 80286
Two hundred eighty-eight 288 = 25·32, pentagonal pyramidal number
Two hundred eighty-nine 289 = 172
Two hundred ninety 290 = 2·5·29, sphenic number, sum of four consecutive primes (67 + 71 + 73 + 79)
Two hundred ninety-one 291 = 3·97
Two hundred ninety-two 292 = 22·73
Two hundred ninety-three 293 prime
Two hundred ninety-four 294 = 2·3·72
Two hundred ninety-five 295 = 5·59, also, the numerical designation of seven spur routes of Interstate 95
Two hundred ninety-six 296 = 23·37
Two hundred ninety-seven 297 = 33·11, Kaprekar number
Two hundred ninety-eight 298 = 2·149
Two hundred and ninety-nine 299 = 13·23