From Wikipedia, the free encyclopedia
Natural number
4000 (four thousand) is the
natural number following
3999 and preceding 4001. It is a
decagonal number.
[1]
Selected numbers in the range 4001–4999
There are the 119
prime numbers between 4000 and 5000:
[43]
[44]
- 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
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a
b
c
d
Sloane, N. J. A. (ed.).
"Sequence A001107 (10-gonal (or decagonal) numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
d
e
f
g
h
i
j
k
Sloane, N. J. A. (ed.).
"Sequence A000217 (Triangular numbers: a(n) = binomial(n+1,2) = n*(n+1)/2 = 0 + 1 + 2 + ... + n)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
d
e
f
g
Sloane, N. J. A. (ed.).
"Sequence A006562 (Balanced primes)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
-
^
Sloane, N. J. A. (ed.).
"Sequence A006037 (Weird numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
d
e
f
g
h
Sloane, N. J. A. (ed.).
"Sequence A002378 (Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1))". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
Sloane, N. J. A. (ed.).
"Sequence A050217 (Super-Poulet numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
-
^
Sloane, N. J. A. (ed.).
"Sequence A001262 (Strong pseudoprimes to base 2)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
Sloane, N. J. A. (ed.).
"Sequence A000292 (Tetrahedral numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A005231 (Odd abundant numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A076046 (Ramanujan-Nagell numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
-
^
Sloane, N. J. A. (ed.).
"Sequence A019279 (Superperfect numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000110 (Bell or exponential numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
Sloane, N. J. A. (ed.).
"Sequence A001844 (Centered square numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
d
Sloane, N. J. A. (ed.).
"Sequence A069099 (Centered heptagonal numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000219 (Number of planar partitions (or plane partitions) of n)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
-
^
Sloane, N. J. A. (ed.).
"Sequence A000605 (Number of points of norm <= n in cubic lattice)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000045 (Fibonacci numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A002559 (Markoff (or Markov) numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
d
Sloane, N. J. A. (ed.).
"Sequence A100827 (Highly cototient numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
d
Sloane, N. J. A. (ed.).
"Sequence A001106 (9-gonal (or enneagonal or nonagonal) numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
Sloane, N. J. A. (ed.).
"Sequence A002411 (Pentagonal pyramidal numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000682 (Semimeanders)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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a
b
Sloane, N. J. A. (ed.).
"Sequence A002407 (Cuban primes)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^
a
b
c
Sloane, N. J. A. (ed.).
"Sequence A016754 (Odd squares: a(n) = (2n+1)^2. Also centered octagonal numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A076980 (Leyland numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000330 (Square pyramidal numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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a
b
Sloane, N. J. A. (ed.).
"Sequence A082897 (Perfect totient numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000931 (Padovan sequence)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A005165 (Alternating factorials)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A031971 (a(n) = Sum_{k=1..n} k^n)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A051015 (Zeisel numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A005900 (Octahedral numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A003261 (Woodall numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A030984 (2-automorphic numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2021-09-01.
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^
Sloane, N. J. A. (ed.).
"Sequence A070996 (Numbers n whose sum of divisors and number of divisors are both triangular numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A122400 (Number of square (0,1)-matrices without zero rows and with exactly n entries equal to 1)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A007629 (Repfigit (REPetitive FIbonacci-like diGIT) numbers (or Keith numbers))". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A002648 (A variant of the cuban primes)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A000108 (Catalan numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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a
b
Sloane, N. J. A. (ed.).
"Sequence A006886 (Kaprekar numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A005898 (Centered cube numbers)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A066436 (Primes of the form 2*n^2 - 1)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Sloane, N. J. A. (ed.).
"Sequence A038823 (Number of primes between n*1000 and (n+1)*1000)". The
On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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^
Stein, William A. (10 February 2017).
"The Riemann Hypothesis and The Birch and Swinnerton-Dyer Conjecture". wstein.org. Retrieved 6 February 2021.
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100,000
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1,000,000
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10,000,000
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100,000,000
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1,000,000,000
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