Selected numbers in the range 6001–6999

6001 to 6099

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

• 6028– centered heptagonal number^[1]

• 6037– super-prime, prime of the form 2p-1

• 6047– safe prime

• 6053– Sophie Germain prime

• 6069– nonagonal number^[2]

• 6073– balanced prime

• 6079– The serial number Winston Smith is referred to as in theGeorge OrwellnovelNineteen Eighty-Four

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

• 6089– highly cototient number^[3]

• 6095– magic constant ofn×nnormal magic square and n-Queens Problem forn= 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

• 6133– 800th prime number

• 6143– Thabit number

• 6173– Sophie Germain prime

• 6174– Kaprekar’s constant

• 6181– octahedral number^[4]

6200 to 6299

• 6200– harmonic divisor number^[5]

• 6201– square pyramidal number^[6]

• 6211– cuban prime of the formx=y+ 1^[7]

• 6216– triangular number

• 6217– super-prime, prime of the form 2p-1

• 6229– super-prime

• 6232– amicable number with 6368

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

• 6241– 792, centered octagonal number^[8]

• 6250– Leyland number^[9]

• 6263– Sophie Germain prime, balanced prime

• 6269– Sophie Germain prime

• 6280– decagonal number^[10]

6300 to 6399

• 6311– super-prime

• 6317– balanced prime

• 6322– centered heptagonal number^[1]

• 6323– Sophie Germain prime, balanced prime, super-prime

• 6328– triangular number

• 6329– Sophie Germain prime

• 6346– Number of verses in the Qur’an according to the sect founded by Rashad Khalifa.^[11]

• 6348– pentagonal pyramidal number^[12]

• 6361– prime of the form 2p-1, twin prime

• 6364– nonagonal number^[2]

• 6367– balanced prime

• 6368– amicable number with 6232

• 6373– balanced prime, sum of three and seven consecutive primes (2113 + 2129 + 2131 and 883 + 887 + 907 + 911 + 919 + 929 +937)

• 6397– sum of three consecutive primes (2129 + 2131 + 2137)

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

6400 to 6499

• 6400– 802

• 6408– sum of the squares of the first thirteen primes

• 6441– triangular number

• 6449– Sophie Germain prime

• 6466– Markov number^[13]

• 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^[3]

• 6521– Sophie Germain prime

• 6545– tetrahedral number^[14]

• 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,^[15]centered octagonal number^[8]

• 6599– safe prime

• 6563– Sophie Germain prime

• 6581– Sophie Germain prime

6600 to 6699

• 6601– Carmichael number,^[16]decagonal number^[10]

• 6623– centered heptagonal number^[1]

• 6659– safe prime

• 6666– nonagonal number

• 6670– triangular number

6700 to 6799

• 6719– safe prime, highly cototient number^[3]

• 6724– 822

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

• 6761– Sophie Germain prime

• 6765– 20th Fibonacci number^[17]

• 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

• 6859– 193

• 6863– balanced prime

• 6880– vampire number^[18]

• 6889– 832, centered octagonal number^[8]

• 6899– Sophie Germain prime, safe prime

6900 to 6999

• 6903– triangular number

• 6924– magic constant ofn×nnormal magic square and n-Queens Problem forn= 24.

• 6929– highly cototient number^[3]

• 6930– decagonal number,^[10]square pyramidal number^[6]

• 6931– centered heptagonal number^[1]

• 6969– 2015 comedicprogressive rocksong by the band Ninja Sex Party

• 6975– nonagonal number

• 6977– balanced prime

• 6983– Sophie Germain prime, safe prime

• 6997– 900th prime number

See also

• Year 6000