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197 is the number following 196 and preceding 198.[1], and its factors are {1,197}.


Properties

  • It is an odd number[2].
  • The 197th element has not been discovered.


Approximations

Notation Expression
Up-arrow notation 14 ↑ 2
Fast-growing hierarchy f1(98)
Hardy hierarchy Hω(98)
Middle-growing hierarchy m(ω,7)


Sources

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