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143 is the number following 142 and preceding 144.[1], and its factors are {1,11,13,143}.


Properties

  • It is an odd number[2].
  • The 143th element has not been discovered.


Approximations

Notation Expression
Up-arrow notation 11 ↑ 2
Fast-growing hierarchy f1(71)
Hardy hierarchy Hω(71)
Middle-growing hierarchy m(ω,7)


Sources

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