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697 is the number following 696 and preceding 698.

Properties[]

  • 697 is a heptagonal number.[9]
  • 697 is deficient.[10]
  • Its prime factorization is 171 × 411.


Approximations[]

Notation Lower bound Upper bound
Up-arrow notation 26 ↑ 2
Scientific notation 6.97 x 102 6.971 x 102
Slow-growing hierarchy \(g_{\omega^{\omega}}(4)\) \(g_{\omega^{\omega}}(5)\)
Copy notation 6[3] 7[3]
Chained arrow notation 26 → 2
Bowers' Exploding Array Function/Bird's array notation {26,2}
Fast-growing hierarchy f2(6) f2(7)
Hardy hierarchy Hω(348) Hω(349)
Middle-growing hierarchy m(ω,9) m(ω,10)
Hyper-E notation E2.8432
Hyper-E notation (non-10 base) \(E[26]2\)
Hyperfactorial array notation 5! 6!
X-Sequence Hyper-Exponential Notation 26{1}2
Steinhaus-Moser Notation 4[3] 5[3]
PlantStar's Debut Notation [1] [2]
H* function H(-0.1) H(-0)
Bashicu matrix system with respect to version 4 (0)[26] (0)[27]
m(n) map m(1)(4) m(1)(5)
s(n) map \(s(1)(\lambda x . x+1)(347)\) \(s(1)(\lambda x . x+1)(348)\)

Sources[]