A request that this article title be changed to 7000-7999 (numbers) is under discussion. Please do not move this article until the discussion is closed.

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources:  "7000" number –  news · newspapers · books · scholar · JSTOR (June 2016) ( Learn how and when to remove this template message)

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

Selected numbers in the range 7001–7999

7001 to 7099

• 7021 – triangular number
• 7043 – Sophie Germain prime
• 7056 = 84²
• 7057 – cuban prime of the form x = y + 1, ^[1] super-prime
• 7073 – Leyland number ^[2]
• 7079 – Sophie Germain prime, safe prime

7100 to 7199

• 7103 – Sophie Germain prime, sexy prime with 7109
• 7106 – octahedral number ^[3]
• 7109 – super-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
• 7155 – number of 19-bead necklaces (turning over is allowed) where complements are equivalent ^[5]
• 7187 – safe prime
• 7192 – weird number ^[6]
• 7193 – Sophie Germain prime, super-prime

7200 to 7299

• 7200 – pentagonal pyramidal number ^[7]
• 7211 – Sophie Germain prime
• 7225 = 85², centered octagonal number ^[8]
• 7230 = 36² + 37² + 38² + 39² + 40² = 41² + 42² + 43² + 44²
• 7246 – centered heptagonal number ^[9]
• 7247 – safe prime
• 7260 – triangular number
• 7267 – decagonal number ^[10]
• 7272 – Kaprekar number ^[11]
• 7283 – super-prime
• 7291 – nonagonal number

7300 to 7399

• 7316 – number of 18-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed ^[12]
• 7338 – Fine number. ^[13]
• 7349 – Sophie Germain prime
• 7351 – super-prime, cuban prime of the form x = y + 1 ^[1]
• 7381 – triangular number
• 7385 – Keith number ^[14]
• 7396 = 86²

7400 to 7499

• 7417 – super-prime
• 7433 – Sophie Germain prime
• 7471 – centered cube number ^[15]
• 7481 – super-prime, cousin prime

7500 to 7599

• 7503 – triangular number
• 7523 – balanced prime, safe prime, super-prime
• 7537 – prime of the form 2p-1
• 7541 – Sophie Germain prime
• 7559 – safe prime
• 7560 – highly composite number ^[16]
• 7561 – Markov prime ^[17]
• 7568 – centered heptagonal number
• 7569 = 87², centered octagonal number ^[8]
• 7583 – balanced prime

7600 to 7699

• 7607 – safe prime, super-prime
• 7612 – decagonal number ^[10]
• 7614 – nonagonal number
• 7626 – triangular number
• 7643 – Sophie Germain prime, safe prime
• 7647 – Keith number ^[14]
• 7649 – Sophie Germain prime, super-prime
• 7691 – Sophie Germain prime
• 7699 – super-prime, emirp, sum of first 60 primes, first prime above 281 to be the sum of the first k primes for some k

7700 to 7799

• 7703 – safe prime
• 7710 = number of primitive polynomials of degree 17 over GF(2) ^[18]
• 7714 – square pyramidal number ^[19]
• 7727 – safe prime
• 7739 – member of the Padovan sequence ^[20]
• 7741 = number of trees with 15 unlabeled nodes ^[21]
• 7744 = 88², square palindrome not ending in 0
• 7750 – triangular number
• 7753 – super-prime
• 7770 – tetrahedral number ^[4]
• 7776 = 6⁵, number of primitive polynomials of degree 18 over GF(2) ^[22]
• 7777 – Kaprekar number, ^[11] repdigit ^[23]

7800 to 7899

• 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, super-prime
• 7875 – triangular number
• 7883 – Sophie Germain prime, super-prime
• 7897 – centered heptagonal number

7900 to 7999

• 7901 – Sophie Germain prime
• 7909 – Keith number ^[14]
• 7912 – weird number ^[6]
• 7919 – 1000th prime number ^[24]
• 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 ^[25]
• 7965 – decagonal number ^[10]
• 7979 – highly cototient number

Prime numbers

There are 107 prime numbers between 7000 and 8000: ^{[26] [27]}

7001, 7013, 7019, 7027, 7039, 7043, 7057, 7069, 7079, 7103, 7109, 7121, 7127, 7129, 7151, 7159, 7177, 7187, 7193, 7207, 7211, 7213, 7219, 7229, 7237, 7243, 7247, 7253, 7283, 7297, 7307, 7309, 7321, 7331, 7333, 7349, 7351, 7369, 7393, 7411, 7417, 7433, 7451, 7457, 7459, 7477, 7481, 7487, 7489, 7499, 7507, 7517, 7523, 7529, 7537, 7541, 7547, 7549, 7559, 7561, 7573, 7577, 7583, 7589, 7591, 7603, 7607, 7621, 7639, 7643, 7649, 7669, 7673, 7681, 7687, 7691, 7699, 7703, 7717, 7723, 7727, 7741, 7753, 7757, 7759, 7789, 7793, 7817, 7823, 7829, 7841, 7853, 7867, 7873, 7877, 7879, 7883, 7901, 7907, 7919, 7927, 7933, 7937, 7949, 7951, 7963, 7993

References