199 (number)

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 its aliquot sum, 1, is less than 199
• 199 is a Lucas number
• 199 is a prime number
• * 199 is a Chen prime
• * 199 is a permutable prime which can have its digits switched, and create another prime number
• * 199 is a twin prime with 197
• * 199 is the sum of three consecutive primes: 61 + 67 + 71
• * 199 is the sum of five consecutive primes: 31 + 37 + 41 + 43 + 47
• * 199 is the fourth part of a prime quadruplet: 191, 193, 197, 199
• 199 is a square-free number
• 199 is an odious number
• 199 is the smallest natural number that takes more than two revolutions to get a Full Digital Root. D_t = 1
• 199 is the smallest positive integer d such that the imaginary quadratic field Q has class number = 9.
• 199 is first prime number in a sequence of 10 consecutive prime numbers with common difference 210 for k=10 the ten primes are 199+j*210; j=0 to 9; 199;199+210=409;409+210=619...1879+210=2089.

  In geography

• 199 Fremont Street is a Class A office tower in San Francisco's South of Market district

  In movies

• , a 2008 documentary on extreme-sports legend Travis Pastrana

  In transportation

• London Buses route 199
• Arado Ar 199 was a floatplane, a low-wing monoplane, designed in 1938, of which two prototypes were built

  In TV and radio

• 199 Park Lane is a 1965 British television soap opera on the BBC

  In other fields

• The year AD 199 or 199 BC
• The atomic number of an element temporarily called
• Minuscule 199 is a Greek minuscule manuscript of the New Testament, on parchment
• 199 Byblis is a large main belt asteroid