Rahul Sharma (Editor)

7000 (number)

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← 6999
  
7000

Cardinal
  
seven thousand

Roman numeral
  
VMM

7000
  
7001 →

Factorization
  
2× 5× 7

Ordinal
  
7000th (seven thousandth)

7000 (seven thousand) is the natural number following 6999 and preceding 7001.

Selected numbers in the range 7001–7999

  • 7021 – triangular number
  • 7043 – Sophie Germain prime
  • 7056 – 842
  • 7057 – cuban prime of the form x = y + 1
  • 7073 – Leyland number
  • 7079 – Sophie Germain prime, safe prime
  • 7103 – Sophie Germain prime
  • 7106 – octahedral number
  • 7121 – Sophie Germain prime
  • 7140 – triangular number, also a pronic number and hence 7140/2 = 3570 is also a triangular number, tetrahedral number
  • 7151 – Sophie Germain prime
  • 7187 – safe prime
  • 7192 – weird number
  • 7193 – Sophie Germain prime
  • 7200 – pentagonal pyramidal number
  • 7211 – Sophie Germain prime
  • 7225 – 852, centered octagonal number
  • 7230 – 362 + 372 + 382 + 392 + 402 = 412 + 422 + 432 + 442
  • 7246 – centered heptagonal number
  • 7247 – safe prime
  • 7260 – triangular number
  • 7267 – decagonal number
  • 7272 – Kaprekar number
  • 7291 – nonagonal number
  • 7349 – Sophie Germain prime
  • 7351 – cuban prime of the form x = y + 1
  • 7381 – triangular number
  • 7385 – Keith number
  • 7396 – 862
  • 7433 – Sophie Germain prime
  • 7471 – centered cube number
  • 7503 – triangular number
  • 7523 – balanced prime, safe prime
  • 7541 – Sophie Germain prime
  • 7559 – safe prime
  • 7560 – highly composite number
  • 7561 – Markov number
  • 7568 – centered heptagonal number
  • 7569 – 872, centered octagonal number
  • 7583 – balanced prime
  • 7607 – safe prime
  • 7612 – decagonal number
  • 7614 – nonagonal number
  • 7626 – triangular number
  • 7643 – Sophie Germain prime, safe prime
  • 7647 – Keith number
  • 7649 – Sophie Germain prime
  • 7691 – Sophie Germain prime
  • 7699 – emirp, sum of first 60 primes
  • 7703 – safe prime
  • 7714 – square pyramidal number
  • 7727 – safe prime
  • 7739 – member of the Padovan sequence
  • 7744 – 882, square nialpdrome not ending in 0
  • 7750 – triangular number
  • 7770 – tetrahedral number
  • 7776 – 65
  • 7777 – Kaprekar number
  • 7810 – ISO/IEC 7810 is the ISO's standard for physical characteristics of identification cards
  • 7823 – Sophie Germain prime, safe prime, balanced prime
  • 7825 – magic constant of n × n normal magic square and n-Queens Problem for n = 25. Also the first counterexample in the Boolean Pythagorean triples problem.
  • 7841 – Sophie Germain prime, balanced prime
  • 7875 – triangular number
  • 7883 – Sophie Germain prime
  • 7897 – centered heptagonal number
  • 7901 – Sophie Germain prime
  • 7909 – Keith number
  • 7912 – weird number
  • 7919 – thousandth prime
  • 7920 – the order of the Mathieu group M11, the smallest sporadic simple group
  • 7921 – 892, centered octagonal number
  • 7944 – nonagonal number
  • 7957 – super-Poulet number
  • 7965 – decagonal number
  • 7979 – highly cototient number

    • References

    7000 (number) Wikipedia
    (Text) CC BY-SA