199 (number)

A hundred and four twenty ten nine redirects here. This article is relating to number 199. For the year, to see 199.

199 ( a hundred and four twenty ten nine or a hundred and ninety nine ) is the Entier naturalness which follows 198 and which precedes 200.

In mathematics

A hundred and four twenty ten nine or a hundred and ninety nine is:
  • a Prime number, which forms with the prime number precedent 197 a couple of Prime numbers twins.
  • the nap of three prime numbers consecutive (61 + 67 + 71).
  • the sum of five prime numbers consecutive (31 + 37 + 41 + 43 + 47).
  • a Number of Lucas.
  • the Fonction of Mertens for 199 gives -8, a minimal record.
  • a triangular Number centered.

In other fields

A hundred and four twenty ten nine or a hundred and ninety nine is also:

Zh-yue: 199

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