Problems & Puzzles: Conjectures

13.- Sierpinski numbers

14.- Enoch Haga Observation about Palprimes

15.- The New Mersenne Conjecture

16.- n^n+1

17.- The Ludovicus conjecture about Euler trinomials

18.- Minimal primorial partitions (a conjecture by John Harvester)

19.  A bound to the largest prime factor of certain Carmichael numbers

20. The first N natural numbers listed in an order such that the sum of each two adjacent of them is a prime number, and the Rivera's Algorithm

22. A stronger version of the Goldbach Conjecture

23. The Shyam's conjecture about the Rare Numbers

26. The Calendar-like square Conjecture

27. A Charles Ashbacher Conjecture

28. Frank Buss's Conjecture

29. The Frank Buss's  B(n) function

30. The Firoozbakht Conjecture

34. n & n2, Triangular Numbers

35. The Firoozbakht functions

37. The Tutescu's Conjecture

38. Adrian Stoica’s Conjecture

40. Karama's Conjecture

41. Pe's Conjecture

44. A property of prime twins, only?

45. Even numbers as sum of 4 twin primes.

46. P-Q=R-S

54. Reversible primes conjeture

56. One  more SMR conjecture.

58. Primes m^2+1

67. primes & e

71. Twin primes and π.

72. Counting twin primes.

73. Counting primes by the last significant digit.

74. What is true assuming valid this...

75. Sebastian's formula for a special case of the Carmichael function.

76. Conjectures related to sequence (P[n])^(1/n)

77. Gaps between primes of the form p=qn+r

78. Pn^((Pn+1/Pn)^n)<=n^Pn

81.  For all primes p, there is at least one k | that p^k = p&y&p?

82.  Average of log Dn / log(logPn) equal R = 0,877 08...

83.  Two conjectures about primes

84.  Conjecture related to primes in A.P.

85.  Conjectures stricter that the Goldbach ones

86.  The Majid's Conjecture

87.  A partition of the first 2n+1 primes

89.  Limit of R = AVSQr / SQRT[log(AV)] equal 1

90.  Semiprimes/Primes ->log(2)

91. A conjecture about strong primes

93. Related to A103514

94. Follow-up Conjecture 29

95. Pascal triangle (2,1), two Conjectures

96. OEIS A360827

97. Another conjecture related to Mersenne primes

101.  Conjecture related to A108309

104. R. Farhadian's Conjecture

105. CONJECTURE ABOUT TWIN PRIMES AND PSEUDOTWIN PRIMES to BASE 3

106. Conjecture about gaps between consecutive primes.

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