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147 is the number following 146 and preceding 148.[1], and its factors are {1,3,7,21,49,147}.


Properties

  • It is an odd number[2].
  • The 147th element has not been discovered.


Approximations

Notation Expression
Up-arrow notation 12 ↑ 2
Fast-growing hierarchy f1(73)
Hardy hierarchy Hω(73)
Middle-growing hierarchy m(ω,7)


Sources

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