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Number Theory Open Questions

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Home » Olympiad Section » Number Theory » Number Theory Open Questions

577 Topics • Page 10 of 12 • Previous 1, 2, 3, ..., 8, 9, 10, 11, 12 Next

Announcements			Author	Replies	Views	Last Post
		Zero tolerance Common sense! (enough is enough)	ZetaX	0	1438	Tue Feb 27, 2007 7:13 am ZetaX

Topics		Author	Replies	Views	Last Post
	square set asked by my teacher	sam-n	14	3922	Mon Feb 06, 2006 1:08 pm maxal
	Brocard conjecture http://mathworld.wolfram.com/BrocardsConjecture.html	baz	5	1288	Thu Feb 02, 2006 1:08 pm ZetaX
	Important conjecture and result	BONZION	5	1354	Sun Jan 29, 2006 6:35 am mathmanman
	Divisibility problem. Internet discussion group.	puuhikki	1	894	Fri Jan 27, 2006 6:50 pm maxal
	Squarefree, density mod 8	fredbel6	8	1635	Wed Jan 25, 2006 9:08 am Doychin
	Equation 2^a+2^b=3^c+3^d me	ciprian	2	999	Mon Jan 16, 2006 1:02 pm t0rajir0u
	Squares and fifth powers me	Arne	1	765	Mon Jan 02, 2006 12:36 pm t0rajir0u
	A criterion for sum of two triangular numbers	ljhgm	2	955	Wed Dec 28, 2005 3:43 pm ZetaX
	Special case of jacobi's triple product	ljhgm	2	1069	Wed Dec 28, 2005 7:32 am ljhgm
	Sum of integer parts me.	ljhgm	6	1436	Tue Dec 27, 2005 12:50 am Aryabhatta
	A^n + 1 squarefree? Just wondering	t0rajir0u	3	1103	Wed Dec 21, 2005 5:39 am ZetaX
	Rationals or irrationals. Internet	puuhikki	4	1441	Mon Dec 19, 2005 4:57 am lolo
	N=(p+q)/2,p,q primes...	maskman	5	1540	Fri Dec 16, 2005 10:34 am seamusoboyle
	Generalizing a^2 + b^2 \neq 3(c^2 + d^2) Own	t0rajir0u	1	982	Sun Dec 11, 2005 1:53 am ZetaX
	Maybe it's not a big deal but it's my own idea	heartwork	2	1061	Fri Dec 09, 2005 9:08 am heartwork
	Generating primes	johnske	1	1039	Wed Dec 07, 2005 11:39 am mgb
	Number of cycles in digraph under x^2 with a mersenne prime Jeffrey Shallit: "On the iteration of certain quadratic	T.Rex	10	2428	Wed Dec 07, 2005 2:46 am T.Rex
	An infinitely hard problem? me	mathematica	4	1329	Tue Dec 06, 2005 12:09 pm ZetaX
	infinitely many primes Inspired from somewhere else	al.M.V.	11	2673	Mon Dec 05, 2005 1:54 am blahblahblah
	Sigma=Pi Me	mathematica	8	1759	Thu Dec 01, 2005 6:58 pm t0rajir0u
	Sum of susequent primes	matias	1	883	Thu Dec 01, 2005 5:04 pm seamusoboyle
	Collatz conjecture (hailstone sequence) Lots of places	t0rajir0u	1	1493	Sat Nov 26, 2005 11:53 pm rgep
	Hard problem	pavel kozlov	1	830	Fri Nov 25, 2005 11:41 pm rgep
	Visualization of lucas-lehmer test D. Shanks: Solved and Unsolved Problems in Number Theory	T.Rex	2	1118	Wed Nov 16, 2005 2:05 am T.Rex
	I want some ...	jensen	3	1100	Mon Oct 31, 2005 9:11 am jensen
	Difference of cubes Just wondering	Arne	11	2110	Sun Oct 30, 2005 1:55 am mathmanman
	Schnirelmann density me.	{x}	3	1140	Sat Oct 29, 2005 9:51 pm guru_ji
	Frobenius problem	cyberjoe	5	1859	Sun Sep 18, 2005 3:50 am cyberjoe
	Gaps in {sigma(n)}...	Collins	2	3039	Tue Sep 13, 2005 3:15 am Bojan Basic
	expressible in form of powers of 2 and 3 me (but might be well-known)	Megus	1	1247	Wed Aug 31, 2005 7:20 am Ravi B
	irrational & fractional part wondering	grobber	1	1273	Sun Aug 28, 2005 1:32 pm rgep
	Conjecture	amfulger	4	1966	Wed Aug 24, 2005 8:00 am fleeting_guest
	Unique sum sets Szabols Tengely	thabit	3	1606	Tue Aug 23, 2005 12:59 pm rgep
	Fermat-Lucas-Carmichaels research	wpolly	2	1897	Tue Aug 23, 2005 12:43 pm rgep
	set of subsets of all primes	coolamit	4	1224	Tue Aug 23, 2005 7:29 am coolamit
	a^n-b^m=1 Me	Omid Hatami	1	958	Sun Aug 21, 2005 10:35 pm rgep
	totient function concrete mathematic	sam-n	3	1405	Sun Aug 21, 2005 2:02 am dblues
	Diophantine (I think)	Hexaditidom	16	2371	Sat Aug 20, 2005 10:44 pm rgep
	Gaps between the prime My mind	lomos_lupin	8	1575	Fri Aug 19, 2005 6:29 am silouan
	Challenging problems from a stupid idea.	suweijie	6	1946	Fri Aug 12, 2005 11:30 pm dblues
	Finite fields Question On polynomials	mat12	1	1048	Fri Aug 12, 2005 2:00 pm rgep
	I don't know how to begin? old question of mine	sam-n	2	1221	Fri Aug 12, 2005 1:51 pm rgep
	about some text	spx2	2	1049	Fri Aug 12, 2005 7:49 am dblues
	Encrypted Code	Quickness	1	860	Thu Aug 11, 2005 10:20 pm maxal
	Help: Cryptology Challenge please help me out here	CrystalClear	1	762	Thu Aug 11, 2005 6:22 pm CrystalClear
	Hidden Numbers?	Pumices	4	873	Thu Aug 11, 2005 2:38 pm Pumices
	Decomposing Integers into all possible sum factors	dineu	3	816	Wed Aug 10, 2005 3:05 pm dineu
	Is it the set of all prime numbers? my curiousity	nalpaction	0	678	Tue Aug 09, 2005 11:21 pm nalpaction
	Euler's function and divisibillity. After a problem.	Anto	2	1140	Tue Aug 09, 2005 12:22 pm rgep
	Stirling numbers: does p^4 divide s(p,2k)-pks(p,2k+1) ?	maxal	0	583	Mon Aug 08, 2005 10:49 pm maxal
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577 Topics • Page 10 of 12 • Previous 1, 2, 3, ..., 8, 9, 10, 11, 12 Next

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