7000 (number)

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

← 6999 7000 7001 →
Cardinalseven thousand
Ordinal7000th
(seven thousandth)
Factorization23 × 53 × 7
Greek numeral,Ζ´
Roman numeralVMM, or VII
Unicode symbol(s)VMM, vmm, VII, vii
Binary11011010110002
Ternary1001210213
Octal155308
Duodecimal407412
Hexadecimal1B5816

Selected numbers in the range 7001–7999Edit

7001 to 7099Edit

7100 to 7199Edit

  • 7103 – Sophie Germain prime
  • 7106octahedral number[3]
  • 7109super-prime, sexy prime with 7103
  • 7121 – Sophie Germain prime
  • 7140 – triangular number, also a pronic number and hence 7140/2 = 3570 is also a triangular number, tetrahedral number[4]
  • 7151 – Sophie Germain prime
  • 7187 – safe prime
  • 7192weird number[5]
  • 7193 – Sophie Germain prime, super-prime

7200 to 7299Edit

7300 to 7399Edit

  • 7349 – Sophie Germain prime
  • 7351super-prime, cuban prime of the form x = y + 1[1]
  • 7381 – triangular number
  • 7385Keith number[11]
  • 7396 – 862

7400 to 7499Edit

7500 to 7599Edit

7600 to 7699Edit

  • 7607 – safe prime, super-prime
  • 7612 – decagonal number[9]
  • 7614 – nonagonal number
  • 7626 – triangular number
  • 7643 – Sophie Germain prime, safe prime
  • 7647 – Keith number[11]
  • 7649 – Sophie Germain prime, super-prime
  • 7691 – Sophie Germain prime
  • 7699super-prime, emirp, sum of first 60 primes

7700 to 7799Edit

7800 to 7899Edit

7900 to 7999Edit

ReferencesEdit

  1. ^ a b "Sloane's A002407 : Cuban primes". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  2. ^ "Sloane's A076980 : Leyland numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  3. ^ "Sloane's A005900 : Octahedral numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  4. ^ a b "Sloane's A000292 : Tetrahedral numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  5. ^ a b "Sloane's A006037 : Weird numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  6. ^ "Sloane's A002411 : Pentagonal pyramidal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  7. ^ a b "Sloane's A016754 : Odd squares: a(n) = (2n+1)^2. Also centered octagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  8. ^ "Sloane's A069099 : Centered heptagonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  9. ^ a b c "Sloane's A001107 : 10-gonal (or decagonal) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  10. ^ a b "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  11. ^ a b c "Sloane's A007629 : Repfigit (REPetitive FIbonacci-like diGIT) numbers (or Keith numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  12. ^ "Sloane's A005898 : Centered cube numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  13. ^ "Sloane's A002182 : Highly composite numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  14. ^ "Sloane's A002559 : Markoff (or Markov) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  15. ^ "Sloane's A000330 : Square pyramidal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.
  16. ^ "Sloane's A000931 : Padovan sequence". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-11.
  17. ^ "7919". The Prime Pages. University of Tennessee. Retrieved April 25, 2017.
  18. ^ "Sloane's A050217 : Super-Poulet numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-14.