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9h
comment Number of squarefree numbers and the Basel problem
@TimRaczkowski: Yes, but I'm not asking about when $\zeta(2)=\pi^2/6$ was computed but rather when its application to squarefree numbers was discovered. Did Euler know about that connection when he did his work?
9h
answered Are there names for these subsets of rational numbers?
9h
asked Number of squarefree numbers and the Basel problem
10h
asked A Mertens-like product over primes
2d
comment Which is bigger: $(\pi+1)^{\pi+1}$ or $\pi^{\pi+2}$?
What does "needles" refer to, in this instance?
2d
comment Matrix with prime entries and largest possible determinant
@Peter: It's always worth searching!
2d
answered Matrix with prime entries and largest possible determinant
May
19
comment Is this reasoning correct for average prime gap?
@martin: The average gap in $\Pi^{-1}(k)$ for $k=\{1,2,\ldots,n\}$ is $\log n+O(1)$. Average gaps are easy, but they don't really tell you anything about extremal gaps like Shanks' conjecture. (In any case advances in analytic number theory in the 80s and early 90s threw that conjecture in serious doubt.)
May
19
comment Golbach's partitions: is there always one common prime in $G(n)$ and $G(n+6)$ , $n \ge 8$ (or a counterexample)?
@iadvd: I can't understand the question you ask there, sorry.
May
18
revised Is this the real reason why 1 is not prime?
rm unrelated advertising
May
18
answered Is this reasoning correct for average prime gap?
May
15
comment Conjecture about the product of the primitive roots modulo a prime number ($\prod Pr_p$)
Related: oeis.org/A123475
May
15
comment The number of primes in an interval
@Lembik: I can't -- we don't have an effective version of the Prime Number Theorem afaik.
May
14
reviewed Close Circle inside circular sector
May
14
reviewed Close Linear transformation to evalute double integral
May
14
answered The number of primes in an interval
May
14
answered series $1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+…$
May
14
reviewed Leave Open series $1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+…$
May
14
reviewed Close HELP Schwartz class ! please!
May
14
reviewed Close Reflection of a point about a straight line in 3-D space