4000 (number)

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| 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(3*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:3|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(3*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(4*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:4|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(4*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(5*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:5|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(5*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(6*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:6|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(6*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(7*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:7|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(7*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(8*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:8|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(8*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(9*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:9|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(9*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]] [[{{#expr: (floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(10*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}} (number)|{{#switch:10|−1={{#ifexpr:(floor( div 10)) = 0|−1|←}}|10=→|#default={{#expr:(floor( div {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}})) * {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}}+(10*{{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 270|10|100}} div 10)}}}}]]}} List of numbers Integers {{#ifexpr:{{#if:4000 | 4000 | 4000 }} >= -1 | {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 100 | ← 0 10 20 30 40 50 60 70 80 90 → | {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 1000 | ← 0 100 200 300 400 500 600 700 800 900 → | {{#ifexpr:{{#if:4000 | 4000 | 4000 }} < 100000 | ← 0 [[|{{#ifeq:1|10|→|{{#expr:1*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:2|10|→|{{#expr:2*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:3|10|→|{{#expr:3*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:4|10|→|{{#expr:4*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:5|10|→|{{#expr:5*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:6|10|→|{{#expr:6*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:7|10|→|{{#expr:7*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:8|10|→|{{#expr:8*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:9|10|→|{{#expr:9*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] [[|{{#ifeq:10|10|→|{{#expr:10*{{#ifexpr:{{#if:4000 | 4000 | 4000 }}>=10000|10|1}}}}k}}]] |← 100 101 102 103 104 105 106 107 108 109 }} }} }} }}
Cardinal	{{#if: | | }}
Ordinal	{{#if: | | {{#if:4000 | 4000 | 4000 }}th ({{#if:|| }})}}
Factorization	{{#if:||{{#ifexpr:{{#if:4000 | 4000 | 4000 }} > 1 and {{#if:4000 | 4000 | 4000 }} < 1000000000| }} }}
Greek numeral	{{#if:|{{{greek}}}| {{#ifexpr: {{#if:4000 | 4000 | 4000 }} >= 1 | }} }}
Roman numeral	{{#if:MTemplate:Overline, or Template:Overline|MTemplate:Overline, or Template:Overline| {{#ifexpr: {{#if:4000 | 4000 | 4000 }} >= 1 | }} }}
Unicode symbol(s)	MTemplate:Overline, mTemplate:Overline, Template:Overline, Template:Overline
Binary	{{#ifexpr: ({{#if:4000 | 4000 | 4000 }} >= 0) and ({{#if:4000 | 4000 | 4000 }} <= 9007199254740991) | {{#if:4000 | 4000 | 4000 }}2}}
Ternary	{{#ifexpr: ({{#if:4000 | 4000 | 4000 }} >= 0) and ({{#if:4000 | 4000 | 4000 }} <= 9007199254740991) | {{#if:4000 | 4000 | 4000 }}3}}
Senary	{{#ifexpr: ({{#if:4000 | 4000 | 4000 }} >= 0) and ({{#if:4000 | 4000 | 4000 }} <= 9007199254740991) | {{#if:4000 | 4000 | 4000 }}6}}
Octal	{{#ifexpr: ({{#if:4000 | 4000 | 4000 }} >= 0) and ({{#if:4000 | 4000 | 4000 }} <= 9007199254740991) | {{#if:4000 | 4000 | 4000 }}8}}
Duodecimal	{{#ifexpr: ({{#if:4000 | 4000 | 4000 }} >= 0) and ({{#if:4000 | 4000 | 4000 }} <= 9007199254740991) | {{#if:4000 | 4000 | 4000 }}12}}
Hexadecimal	{{#ifexpr: ({{#if:4000 | 4000 | 4000 }} >= 0) and ({{#if:4000 | 4000 | 4000 }} <= 9007199254740991) | {{#if:4000 | 4000 | 4000 }}16}}
Armenian	{{#if:Armenian|Տ}}
Egyptian hieroglyph	{{#if:Egyptian hieroglyph|𓆿}}
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| template = {{#ifeq:4000 (number)|Infobox||{{#ifeq:4000 (n|Infobox|}}}} | other | #default = }}{{#if:|}} 4000 (four thousand) is the natural number following 3999 and preceding 4001. It is a decagonal number.

Selected numbers in the range 4001–4999

4001 to 4099

• 4005 – triangular number
• 4007 – safe prime
• 4010 – magic constant of n × n normal magic square and n-queens problem for n = 20
• 4013 – balanced prime
• 4019 – Sophie Germain prime
• 4021 – prime of the form 2p-1
• 4027 – super-prime
• 4028 – sum of the first 45 primes
• 4030 – third weird number
• 4031 – sum of the cubes of the first six primes
• 4032 – pronic number
• 4033 – sixth super-Poulet number; strong pseudoprime in base 2
• 4057 – prime of the form 2p-1
• 4060 – tetrahedral number
• 4073 – Sophie Germain prime
• 4079 – safe prime
• 4091 – super-prime
• 4092 – an occasional glitch in the game The Legend of Zelda: Ocarina of Time causes the Gossip Stones to say this number
• 4095 – triangular number and odd abundant number; number of divisors in the sum of the fifth and largest known unitary perfect number, largest Ramanujan–Nagell number of the form <math>2^{n} - 1</math>
• 4096 = 64² = 16³ = 8⁴ = 4⁶ = 2¹², smallest number with exactly 13 factors, a superperfect number

4100 to 4199

• 4104 = 2³ + 16³ = 9³ + 15³
• 4127 – safe prime
• 4133 – super-prime
• 4139 – safe prime
• 4140 – Bell number
• 4141 – centered square number
• 4147 – smallest cyclic number in duodecimal represented in base-12 notation as 2497₁₂
  2×4147_dez = 4972₁₂
  3×4147_dez = 7249₁₂
  4×4147_dez = 9724₁₂
• 4153 – super-prime
• 4160 – pronic number
• 4166 – centered heptagonal number
• 4167 = 7! − 6! − 5! − 4! − 3! − 2! − 1!, number of planar partitions of 14
• 4169 – a number of points of norm <= 10 in cubic lattice
• 4177 – prime of the form 2p-1
• 4181 – Fibonacci number, Markov number
• 4186 – triangular number
• 4187 – factor of R₁₃, the record number of wickets taken in first-class cricket by Wilfred Rhodes
• 4199 – highly cototient number, product of three consecutive primes

4200 to 4299

• 4200 – nonagonal number, pentagonal pyramidal number
• 4210 – 11th semi-meandric number
• 4211 – Sophie Germain prime
• 4213 – Riordan number
• 4217 – super-prime, happy number
• 4219 – cuban prime of the form x = y + 1, centered hexagonal number
• 4225 = 65², centered octagonal number
• 4227 – sum of the first 46 primes
• 4240 – Leyland number
• 4257 – decagonal number
• 4259 – safe prime
• 4261 – prime of the form 2p-1
• 4271 – Sophie Germain prime
• 4273 – super-prime, number of non-isomorphic set-systems of weight 11
• 4278 – triangular number
• 4279 – little Schroeder number
• 4283 – safe prime
• 4289 – highly cototient number
• 4290 – pronic number

4300 to 4399

• 4324 – 23rd square pyramidal number
• 4325 – centered square number
• 4339 – super-prime, twin prime
• 4349 – Sophie Germain prime
• 4356 = 66², sum of the cubes of the first eleven integers
• 4357 – prime of the form 2p-1
• 4359 – perfect totient number
• 4369 – seventh super-Poulet number
• 4371 – triangular number
• 4373 – Sophie Germain prime
• 4374 – The largest number such that both it and the next number (4375) are 7-smooth
• 4375 – perfect totient number (the smallest not divisible by 3)
• 4391 – Sophie Germain prime
• 4397 – Year of Comet Hale–Bopp's return, super-prime

4400 to 4499

• 4400 – the number of missing persons in the sci-fi show The 4400
• 4409 – Sophie Germain prime, highly cototient number, balanced prime, 600th prime number
• 4410 – member of the Padovan sequence
• 4411 – centered heptagonal number
• 4421 – super-prime, alternating factorial
• 4422 – pronic number
• 4425 = 1⁵ + 2⁵ + 3⁵ + 4⁵ + 5⁵
• 4438 – sum of the first 47 primes
• 4446 – nonagonal number
• 4447 – cuban prime of the form x = y + 1
• 4457 – balanced prime
• 4463 – super-prime
• 4465 – triangular number
• 4481 – Sophie Germain prime
• 4489 = 67², centered octagonal number
• 4495 – tetrahedral number

4500 to 4599

• 4503 – largest number not the sum of four or fewer squares of composites
• 4505 – fifth Zeisel number
• 4513 – centered square number
• 4516 – centered pentagonal number
• 4517 – super-prime, happy number
• 4522 – decagonal number
• 4547 – safe prime
• 4549 – super-prime
• 4556 – pronic number
• 4560 – triangular number
• 4567 – super-prime
• 4579 – octahedral number
• 4597 – balanced prime

4600 to 4699

• 4604 – sum of the only two known Wieferich primes, 1093 and 3511
• 4607 – Woodall number
• 4608 – 3-smooth number (2⁹×3²)
• 4619 – highly cototient number
• 4621 – prime of the form 2p-1
• 4624 = 68²
• 4641 – magic constant of n × n normal magic square and n-queens problem for n = 21
• 4655 – number of free decominoes
• 4656 – triangular number
• 4657 – balanced prime
• 4661 – sum of the first 48 primes
• 4663 – super-prime, centered heptagonal number
• 4679 – safe prime
• 4681 – eighth super-Poulet number
• 4688 – 2-automorphic number
• 4689 – sum of divisors and number of divisors are both triangular numbers
• 4691 – balanced prime
• 4692 – pronic number
• 4699 – nonagonal number

4700 to 4799

• 4703 – safe prime
• 4705 = 48² + 49² = 17² + 18² + … + 26², centered square number
• 4727 – sum of the squares of the first twelve primes
• 4731 – centered pentagonal number
• 4733 – Sophie Germain prime
• 4753 – triangular number
• 4759 – super-prime
• 4761 = 69², centered octagonal number
• 4769 = number of square (0,1)-matrices without zero rows and with exactly 5 entries equal to 1
• 4787 – safe prime, super-prime
• 4788 – 14th Keith number
• 4793 – Sophie Germain prime
• 4795 – decagonal number
• 4799 – safe prime

4800 to 4899

• 4801 – super-prime, cuban prime of the form x = y + 2, smallest prime with a composite sum of digits in base 7
• 4830 – pronic number
• 4840 - square yards in an acre
• 4851 – triangular number, pentagonal pyramidal number
• 4862 – Catalan number
• 4871 – Sophie Germain prime
• 4877 – super-prime
• 4879 – 11th Kaprekar number
• 4888 – sum of the first 49 primes

4900 to 4999

• 4900 = 70², the only square-pyramidal square other than 1 ([1])
• 4901 – centered square number
• 4913 = 17³
• 4919 – Sophie Germain prime, safe prime
• 4922 – centered heptagonal number
• 4933 – super-prime
• 4941 – centered cube number
• 4943 – Sophie Germain prime, super-prime
• 4950 – triangular number, 12th Kaprekar number
• 4951 – centered pentagonal number
• 4957 – sum of three and five consecutive primes (1637 + 1657 + 1663, 977 + 983 + 991 + 997 + 1009)
• 4959 – nonagonal number
• 4960 – tetrahedral number; greater of fourth pair of Smith brothers
• 4970 – pronic number
• 4973 – the 666th prime
• 4991 – Lucas–Carmichael number
• 4993 – balanced prime
• 4999 – prime of the form <math>2n^2-1</math>

Prime numbers

There are the 119 prime numbers between 4000 and 5000:

4001, 4003, 4007, 4013, 4019, 4021, 4027, 4049, 4051, 4057, 4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, 4153, 4157, 4159, 4177, 4201, 4211, 4217, 4219, 4229, 4231, 4241, 4243, 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4423, 4441, 4447, 4451, 4457, 4463, 4481, 4483, 4493, 4507, 4513, 4517, 4519, 4523, 4547, 4549, 4561, 4567, 4583, 4591, 4597, 4603, 4621, 4637, 4639, 4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729, 4733, 4751, 4759, 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831, 4861, 4871, 4877, 4889, 4903, 4909, 4919, 4931, 4933, 4937, 4943, 4951, 4957, 4967, 4969, 4973, 4987, 4993, 4999