6000 (six thousand) is the natural number following 5999 and preceding 6001.

Selected numbers in the range 6001–6999

6001 to 6099

  • 6025 – Stage name of rhythm guitarist of the Dead Kennedys from June 1978 to March 1979. Full name is Carlos Cadona.
  • 6028 – centered heptagonal number
  • 6037 – super-prime, prime of the form 2p-1
  • 6042 – 6042 Cheshirecat is a Mars-crossing asteroid.
  • 6047 – safe prime
  • 6053 – Sophie Germain prime
  • 6069 – nonagonal number
  • 6073 – balanced prime
  • 6079 – The serial number Winston Smith is referred to as in the George Orwell novel Nineteen Eighty-Four
  • 6084 = 78<sup>2</sup>, sum of the cubes of the first twelve integers
  • 6081 - sum of the first 54 primes
  • 6089 – highly cototient number
  • 6095 – magic constant of n × n normal magic square and n-Queens Problem for n = 23.

6100 to 6199

  • 6101 – Sophie Germain prime
  • 6105 – triangular number
  • 6113 – Sophie Germain prime, super-prime
  • 6121 – prime of the form 2p-1
  • 6131 – Sophie Germain prime, twin prime with 6133
  • 6133 – 800th prime number, twin prime with 6131
  • 6143 – Thabit number
  • 6144 – 3-smooth number (2<sup>11</sup>×3)
  • 6173 – Sophie Germain prime
  • 6174 – Kaprekar's constant
  • 6181 – octahedral number

6200 to 6299

  • 6200 – harmonic divisor number
  • 6201 – square pyramidal number
  • 6216 – triangular number
  • 6217 – super-prime, prime of the form 2p-1
  • 6229 – super-prime
  • 6232 – amicable number with 6368
  • – Most widely accepted figure for the number of verses in the Qur'an
  • 6241 = 79<sup>2</sup>, centered octagonal number
  • 6250 – Leyland number
  • 6263 – Sophie Germain prime, balanced prime
  • 6269 – Sophie Germain prime
  • 6280 – decagonal number

6300 to 6399

  • 6311 – super-prime
  • 6317 – balanced prime
  • 6322 – centered heptagonal number
  • 6348 – pentagonal pyramidal number
  • 6361 – prime of the form 2p-1, twin prime
  • 6364 – nonagonal number
  • 6480 – smallest number with exactly 50 factors
  • 6491 – Sophie Germain prime

6500 to 6599

  • 6502 – model number of the MOS Technology 6502 which equipped early computers such as the Apple I and II, Commodore PET, Atari and others.
  • 6509 – highly cototient number
  • 6521 – Sophie Germain prime
  • 6542 – number of primes <math>\leq 2^{16}</math>.
  • 6545 – tetrahedral number
  • 6551 – Sophie Germain prime
  • 6555 – triangular number
  • 6556 – member of a Ruth-Aaron pair with 6557 (first definition)
  • 6557 – member of a Ruth-Aaron pair with 6556 (first definition)
  • 6561 = 81<sup>2</sup> = 9<sup>4</sup> = 3<sup>8</sup>, perfect totient number
  • 6563 – Sophie Germain prime
  • 6581 – Sophie Germain prime
  • 6599 – safe prime

6600 to 6699

  • 6601 - Carmichael number, decagonal number, In Christian demonology it represents the number of demons in a legion of demons.
  • 6670 – triangular number, centered nonagonal number, centered 19-gonal number,

6700 to 6799

  • 6719 – safe prime, highly cototient number
  • 6779 – safe prime
  • 6786 – triangular number

6800 to 6899

  • 6811 – member of a Ruth-Aaron pair with 6812 (first definition)
  • 6812 – member of a Ruth-Aaron pair with 6811 (first definition)
  • 6827 – safe prime
  • 6841 - largest right-truncatable prime in base 7
  • 6842 – number of parallelogram polyominoes with 12 cells
  • 6859 = 19<sup>3</sup>
  • 6863 – balanced prime
  • 6870 - sum of the first 57 primes
  • 6879 – number of planar partitions of 15
  • 6880 – vampire number
  • 6889 = 83<sup>2</sup>, centered octagonal number

:6007, 6011, 6029, 6037, 6043, 6047, 6053, 6067, 6073, 6079, 6089, 6091, 6101, 6113, 6121, 6131, 6133, 6143, 6151, 6163, 6173, 6197, 6199, 6203, 6211, 6217, 6221, 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287, 6299, 6301, 6311, 6317, 6323, 6329, 6337, 6343, 6353, 6359, 6361, 6367, 6373, 6379, 6389, 6397, 6421, 6427, 6449, 6451, 6469, 6473, 6481, 6491, 6521, 6529, 6547, 6551, 6553, 6563, 6569, 6571, 6577, 6581, 6599, 6607, 6619, 6637, 6653, 6659, 6661, 6673, 6679, 6689, 6691, 6701, 6703, 6709, 6719, 6733, 6737, 6761, 6763, 6779, 6781, 6791, 6793, 6803, 6823, 6827, 6829, 6833, 6841, 6857, 6863, 6869, 6871, 6883, 6899, 6907, 6911, 6917, 6947, 6949, 6959, 6961, 6967, 6971, 6977, 6983, 6991, 6997

See also

  • Year 6000

References