The following conjectures about primes in polynomial sequences are used in many of these types of primes:
※ The Hardy–Littlewood conjectures F and K (1923) are special cases, quadratics and respectively, but the general case was not handled until subsumed by the conjecture of Bateman, Horn, & Stemmler.
Linear
|
Size
|
A-number
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Primes n
|
infinite with density n/log n + O(n/(log n)2): prime number theorem
|
A000040
|
Real Eisenstein primes 3n + 2
|
infinite with density 0.5n/log n + O(n/(log n)2): Dirichlet's theorem
|
A003627
|
Pythagorean primes 4n + 1
|
infinite with density 0.5n/log n + O(n/(log n)2): Dirichlet's theorem
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A002144
|
Real Gaussian primes 4n + 3
|
infinite with density 0.5n/log n + O(n/(log n)2): Dirichlet's theorem
|
A002145
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Quadratic
|
Size
|
A-number
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Cuban primes
|
conjectured infinite with density : Hardy-Littlewood conjecture F
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A002407
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Landau primes
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conjectured infinite with density (C ≈ 1.372813): Hardy-Littlewood conjecture E
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A002496
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Central polygonal primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A002383
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Centered triangular primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A125602
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Centered square primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A027862
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Centered pentagonal primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A145838
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Centered hexagonal primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A002407
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Cuban primes (variant)
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A002648
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Centered heptagonal primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A144974
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Centered decagonal primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A090562
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Star primes
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conjectured infinite with density : Hardy-Littlewood conjecture F
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A083577
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Cubic
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Size
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A-number
|
|
conjectured infinite with density (C ≈ 1.2985): Hardy-Littlewood conjecture K
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A144953
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Exponential
|
Size
|
A-number
|
Wagstaff primes
|
unknown, trivial density O(log n)
|
A000979
|
Mersenne primes
|
conjectured infinite with density log2 log n + o(log log n): Lenstra–Pomerance–Wagstaff conjecture
|
A000668
|
Thābit primes
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unknown, trivial density O(log n)
|
A007505
|
Cullen primes
|
unknown, density o(log n)[1]
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A050920
|
Woodall primes
|
unknown, density o(log n)[2]
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A050918
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Super-exponential
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Size
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A-number
|
Double Mersenne primes
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unknown, trivial density O(log log n/log log log n)
|
|
Legendre primes for
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infinite with density Θ(log log n) under Legendre's conjecture; otherwise possibly ill-defined
|
A059784
|
Fermat primes
|
conjectured finite (5 known)
|
A019434
|
Mills primes for
|
infinite by construction[3] with density log3 log n + O(1)
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A051254
|
|
Discriminant
|
Size
|
A-number
|
Definiteness
|
Generalized cuban primes
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-3
|
infinite with density 0.5n/log n + O(n/log2 n): Dirichlet's theorem
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A007645
|
Positive definite
|
|
-12
|
|
-4
|
0.5n/log n + O(n/(log n)2): Fermat's theorem on sums of two squares
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A002313
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Positive definite
|
(excluding 2)
|
-16
|
|
-7
|
|
A106856
|
Positive definite
|
|
-132
|
infinite with density 0.15n/log n + O(n/log2 n): Dirichlet's theorem
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A139827
|
Positive definite
|
|
9
|
infinite with density 0.5n/log n + O(n/log2 n): Dirichlet's theorem
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A002476
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Indefinite
|
|
Size
|
A-number
|
Friedlander–Iwaniec primes
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Θ(n3/4/log n)[4]
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A028916
|
Half-octavan primes
|
trivial density O(n1/4), conjectured infinite
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A290780
|
Half-quartan primes
|
trivial density O(n1/2), conjectured infinite
|
A002646
|
Heath-Brown primes
|
Θ(n2/3/log n)[5]
|
A173587
|
Leyland primes (m, n > 1)
|
trivial density O((log n)2log log n)
|
A094133
|
Octavan primes
|
trivial density O(n1/4), conjectured infinite
|
A006686
|
Pierpont primes
|
conjectured infinite[6] with density Θ(log n), trivial density O(log2 n)
|
A005109
|
Proth primes with
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trivial density O(n1/2)
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A080076
|
Quartan primes
|
trivial density O(n1/2), conjectured infinite
|
A002645
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Semi-octavan primes
|
trivial density O(n3/8), conjectured infinite
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A291206
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Solinas primes with
|
trivial density O(log2 n)
|
A165255
|
These are the prime solutions to more complicated Diophantine equations.
|
Size
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A-number
|
Alternating factorial prime
|
finite[7]
|
A071828
|
Bertrand primes for
|
infinite by Bertrand's postulate with density lg ⁎ n + O(1)
|
A051501
|
Euclid primes
|
conjectured infinite with density eγ log n[8]
|
A018239
|
Factorial primes
|
conjectured infinite with density eγ log n[8]
|
A055490
|
Factorial primes
|
conjectured infinite with density eγ log n[8]
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A088054
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Fouvry–Iwaniec primes
|
infinite with density Θ(n/(log n)2)[9]
|
A185086
|
Heath-Brown–Li primes
|
Θ(n3/4/log2 n)[10]
|
A281792
|
Markov primes
|
trivial density O((log n)2)[11]
|
A178444
|
Primorial primes
|
conjectured infinite with density eγ log n[8]
|
A057705
|
Primorial primes
|
conjectured infinite with density eγ log n[8]
|
A005234
|
Soundararajan primes
|
density O(log n/(log log n)2)[12]
|
A073826
|
Three-square primes
|
0.75n/log n + O(n/(log n)2)
|
A042998
|
|
Size
|
A-number
|
Fibonacci primes with
|
density O(log n/log log n)
|
A005478
|
Lucas primes with
|
density O(log n/log log n)
|
A005479
|
Padovan primes with
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trivial density O(log n)
|
A100891
|
NSW primes with
|
density O(log n/log log n)[13]
|
A088165
|
Pell primes with
|
density O(log n/log log n)
|
A086383
|
Perrin primes with
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trivial density O(log n)
|
A074788
|
|
Size
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A-number
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Twin primes
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density O(n (log log n)2/(log n)2): Brun's theorem; conjectured infinite (twin prime conjecture) with density 2C2n/(log n)2
|
A001359
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Cousin primes
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conjectured infinite with density 2C2n/(log n)2
|
A023200
|
Sexy primes
|
conjectured infinite with density 4C2n/(log n)2
|
A023201
|
Prime triplets
|
conjectured infinite with density 4.5C3n/(log n)3
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A022004
|
Prime triplets
|
conjectured infinite with density 4.5C3n/(log n)3
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A022005
|
Prime quadruplets
|
conjectured infinite with density 13.5C4n/(log n)4
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A007530
|
|
Size (base 10)
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A-number
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Additive primes
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infinite with conjectured density ~ 1.5n/log n log log n[14], some unconditional bounds are known
|
A046704
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Circular primes
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conjectured to be the repunit primes, plus a finite number of other primes
|
A016114
|
Dihedral primes
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density O((n/log n)0.699) by the normality of the Copeland–Erdős constant (only 5 digits can be used, and log105 < 0.699)
|
A134996
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Emirps
|
conjectured logarithmic density Θ(n/(log n)2)1
|
A006567
|
Friedman primes
|
Θ(n/log n) since at least one residue class mod 108 is always a Friedman number
|
A112419
|
Full reptend primes
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conjectured infinite with density CArtinn/log n: Artin's conjecture on primitive roots
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A001913
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Happy primes
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conjectured infinite with density Θ(n/log n)
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A035497
|
Left-truncatable primes
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finite (4260 elements)
|
A024785
|
Minimal primes
|
finite (26 elements)
|
A071062
|
Palindromic primes
|
density O(n1/2log log log n/log log n)[15], conjectured infinite
|
A002385
|
Pandigital primes
|
infinite with density n/log n + O(n/(log n)2); relative complement has density O(n0.955).
|
A050288
|
Permutable primes
|
conjectured to be the repunit primes, plus a finite number of other primes; density O((log n)2)[16]
|
A003459
|
Primeval primes
|
trivially O((log n)10) because digits are nondecreasing
|
A119535
|
Repunit primes
|
conjectured infinite with density Θ(log log n),[17] trivial density O(log n/log log n) since the length must be prime
|
A004022
|
Right-truncatable primes
|
finite (83 elements)
|
A024770
|
Self primes
|
unknown
|
A006378
|
Short period primes
|
conjectured infinite with density (1-CArtin)n/log n: Artin's conjecture on primitive roots
|
A006559
|
Smarandache–Wellin prime
|
unknown, trivial density O(log n/log log n)
|
A069151
|
Strobogrammatic primes
|
density O((n/log n)0.699) by the normality of the Copeland–Erdős constant (only 5 digits can be used, and log105 < 0.699)
|
A069151
|
Unique primes
|
trivial density O(log n), conjectured infinite
|
A040017
|
Weakly prime numbers
|
infinite with density Θ(n/log n)[18]
|
A050249
|
|
Size
|
A-number
|
Asymmetric primes
|
density n/log n + o(n/log1.086 n)[19]
|
A090191
|
Balanced primes
|
conjectured infinite
|
A006562
|
Bell primes
|
trivial density O(log n/log log n); Pratt[20] conjectures that they are infinite
|
A051131
|
Bertrand primes
|
density lg n + O(1)
|
A006992
|
Chen primes
|
infinite[21] with density O(n log log n/(log n)2)?
|
A109611
|
Elite primes
|
density O(n/(log n)3/2),[22][23] O(n5/6) on GRH,[23] conjectured infinite with density O((log n)c) for c ≥ 1[24]
|
A102742
|
Flat primes
|
infinite with density 2An/log n + o(n/log n)[25]
|
A192862
|
Fortunate primes
|
conjectured infinite; probably of positive relative density; under Fortune's conjecture, density Ω(log ⁎ n)
|
A046066
|
Good primes
|
infinite[26]
|
A028388
|
Green–Tao prime
|
infinite with density Ω(log log log log log log log n)[27][28] and O(log n); conjectured roughly 2 log n/log log n[29]
|
A005115
|
Harmonic primes
|
conjectured infinite with density (1/e)n/log n + o(n/log n)[30]
|
A092101
|
Higgs primes
|
conjectured infinite with density o(n/log n)[31]
|
A007459
|
Highly cototient primes
|
unknown
|
A105440
|
Irregular primes
|
infinite[32] with density Ω(log log n/log log log n);[33] conjectured density (1-e-1/2)n/log n
|
A000928
|
Lucky primes
|
unknown
|
A031157
|
Ménage primes
|
heuristically log log log n[34]
|
A249510
|
Mirimanoff primes
|
heuristically log log n?
|
A014127
|
Motzkin primes
|
trivial density O(log n)
|
A092832
|
Partition primes
|
trivial density O((log n)2)
|
A049575
|
Pillai primes
|
infinite[35]
|
A063980
|
Ramanujan primes
|
infinite[36] with density 0.5n/log n + o(n/log n)[37]
|
A104272
|
Regular primes
|
conjectured infinite with density e-1/2n/log n
|
A007703
|
Safe primes
|
conjectured infinite with density C2n/2(log n/2)2 + o(n/(log n)2)
|
A005385
|
Sophie Germain primes
|
density O(n/(log n)2); conjectured infinite with density 2C2n/(log n)2
|
A005384
|
Stern primes
|
conjectured finite (8 known)
|
A042978
|
Super-primes
|
infinite, density n/(log n)2 + O(n log log n/(log n)3)[38]
|
A006450
|
Subfactorial primes
|
conjectured infinite, trivial density O(log n/log log n)
|
A100015
|
Supersingular primes
|
finite (15 elements)
|
A002267
|
Sylvester primes
|
infinite with density Ω(log log n)[39] and O(n/log n log log log n)[40]
|
A007996
|
Symmetric primes
|
density n(log log n)O(1)/(log n)1.086...,[41] conjectured infinite
|
A090190
|
Thin primes
|
density O(n/(log n)2)[25], conjectured density Θ(n/(log n)2)[25]
|
A192869
|
Ulam primes
|
conjectured density Θ(n/log n)?
|
A068820
|
Wall–Sun–Sun primes
|
heuristically infinite with density roughly log log n,[42][43][44] none known
|
|
Wedderburn-Etherington prime
|
trivial density O(log n)
|
A136402
|
Wieferich primes
|
conjectured infinite with density Θ(log log n)[45][46]
|
A001220
|
Wilson primes
|
heuristic density Θ(log log n)[45]
|
A007540
|
Wolstenholme primes
|
conjectured infinite with density about log log n[47]
|
A088164
|
Zhou primes
|
infinite[48]
|
A291525
|