5000 (number)

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4999 5000 5001
Cardinal five thousand
Ordinal 5000th
(five thousandth)
Factorization 23· 54
Roman numeral V
Unicode symbol(s) V, v,
Binary 10011100010002
Ternary 202120123
Quaternary 10320204
Quinary 1300005
Senary 350526
Octal 116108
Duodecimal 2A8812
Hexadecimal 138816
Vigesimal CA020
Base 36 3UW36

5000 (five thousand) is the natural number following 4999 and preceding 5001. Five thousand is the largest isogrammic number in the English language.

Selected numbers in the range 5001–5999[edit]


5280 = -\sqrt[3]{j\left( {\scriptstyle\frac{1}{2}} \left( 1 + i\sqrt{67}\, \right)\right) }.
  • 5292 – Kaprekar number
  • 5303 – Sophie Germain prime, balanced prime
  • 532973^2, centered octagonal number
  • 5333 – Sophie Germain prime
  • 5335magic constant of n×n normal magic square and n-queens problem for n = 22.
  • 5340octahedral number
  • 5356 – triangular number
  • 5365 – decagonal number
  • 5387 – safe prime, balanced prime
  • 5392Leyland number
  • 5393 – balanced prime
  • 5399 – Sophie Germain prime, safe prime
  • 5405 – member of a Ruth–Aaron pair with 5406 (either definition)
  • 5406 – member of a Ruth–Aaron pair with 5405 (either definition)
  • 5419 – Cuban prime of the form x = y + 1
  • 5441 – Sophie Germain prime
  • 5456tetrahedral number
  • 5459 – highly cototient number
  • 5460 – triangular number
  • 5461super-Poulet number, centered heptagonal number
  • 547674^2
  • 5483 – safe prime
  • 5500 – nonagonal number
  • 5501 – Sophie Germain prime
  • 5507 – safe prime
  • 5525square pyramidal number
  • 5536tetranacci number
  • 5563 – balanced prime
  • 5564 – amicable number with 5020
  • 5565 – triangular number
  • 5566pentagonal pyramidal number
  • 5571perfect totient number
  • 562575^2, centered octagonal number
  • 5639 – Sophie Germain prime, safe prime
  • 5662 – decagonal number
  • 5671 – triangular number
  • 5711 – Sophie Germain prime
  • 5719Zeisel number, Lucas–Carmichael number
  • 5741 – Sophie Germain prime, Pell number, Markov number, centered heptagonal number
  • 5768tribonacci number
  • 577676^2 (a rare Automorphic relationship)
  • 5777 – smallest counterexample to the conjecture that all odd numbers are of the form p + 2a^2
  • 5778 – triangular number
  • 5781 – nonagonal number
  • 5798Motzkin number
  • 5807 – safe prime, balanced prime
  • 5832 – 183
  • 5849 – Sophie Germain prime
  • 5879 – safe prime, highly cototient number
  • 5886 – triangular number
  • 5903 – Sophie Germain prime
  • 5913 – sum of the first seven factorials
  • 5927 – safe prime
  • 592977^2, centered octagonal number
  • 5939 – safe prime
  • 5967 – decagonal number
  • 5984 – tetrahedral number
  • 5995 – triangular number