6000 (number)

Selected numbers in the range 6001–6999

6025 – Rhythm guitarist of the Dead Kennedys from June 1978 to March 1979. Full name is Carlos Cadona.

6028 – centered heptagonal number

6047 – safe prime

6053 – Sophie Germain prime

6069 – nonagonal number

6073 – balanced prime

6084 – 78², sum of the cubes of the first twelve integers

6089 – highly cototient number

6095 – magic constant of n × n normal magic square and n-Queens Problem for n = 23.

6101 – Sophie Germain prime

6105 – triangular number

6113 – Sophie Germain prime

6131 – Sophie Germain prime

6143 – Thabit number

6173 – Sophie Germain prime

6174 – Kaprekar's constant

6181 – octahedral number

6200 – harmonic divisor number

6201 – square pyramidal number

6211 – cuban prime of the form x = y + 1

6216 – triangular number

6232 – amicable number with 6368

6236 – Most widely accepted figure for the number of verses in the Qur'an

6241 – 79², centered octagonal number

6250 – Leyland number

6263 – Sophie Germain prime, balanced prime

6269 – Sophie Germain prime

6280 – decagonal number

6317 – balanced prime

6322 – centered heptagonal number

6323 – Sophie Germain prime, balanced prime

6328 – triangular number

6329 – Sophie Germain prime

6346 – Number of verses in the Qur'an according to the sect founded by Rashad Khalifa.

6348 – pentagonal pyramidal number

6364 – nonagonal number

6367 – balanced prime

6368 – amicable number with 6232

6373 – balanced prime

6399 – smallest integer that cannot be expressed as a sum of fewer than 279 eighth powers

6400 – 80²

6408 – sum of the squares of the first thirteen primes

6441 – triangular number

6449 – Sophie Germain prime

6466 – Markov number

6491 – Sophie Germain prime

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

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 – 3⁸, 81², perfect totient number, centered octagonal number

6599 – safe prime

6563 – Sophie Germain prime

6581 – Sophie Germain prime

6601 – Carmichael number, decagonal number

6623 – centered heptagonal number

6659 – safe prime

6666 – nonagonal number

6670 – triangular number

6719 – safe prime, highly cototient number

6724 – 82²

6728 – number of domino tilings of a 6×6 checkerboard

6761 – Sophie Germain prime

6765 – 20th Fibonacci number

6779 – safe prime

6786 – triangular number

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

6859 – 19³

6863 – balanced prime

6880 – vampire number

6889 – 83², centered octagonal number

6899 – Sophie Germain prime, safe prime

6903 – triangular number

6924 – magic constant of n × n normal magic square and n-Queens Problem for n = 24.

6929 – highly cototient number

6930 – decagonal number, square pyramidal number

6931 – centered heptagonal number

6969 – 2015 comedic progressive rock song by the band Ninja Sex Party

6975 – nonagonal number

6977 – balanced prime

6983 – Sophie Germain prime, safe prime