# Number Theory Forum

Number Theory Help Forum

1. ### Proof of a Conjecture or Counter Examples

• Replies: 2
• Views: 621
Jul 23rd 2013, 10:53 AM
2. ### Zero product property, Help.

• Replies: 5
• Views: 2,375
Jul 20th 2013, 06:03 PM
3. ### Conversion from decimal to hexadecimal

• Replies: 10
• Views: 1,108
Jul 19th 2013, 06:18 AM
4. ### solve in N

• Replies: 3
• Views: 745
Jul 15th 2013, 01:00 AM
5. ### find (n,m)

• Replies: 3
• Views: 461
Jul 14th 2013, 01:28 AM
6. ### Archimedes lever and three balls

• Replies: 10
• Views: 954
Jul 3rd 2013, 04:53 AM
7. ### Cryptography

• Replies: 3
• Views: 818
Jul 1st 2013, 09:55 AM
8. ### Great problem!

• Replies: 1
• Views: 559
Jun 28th 2013, 03:13 PM
9. ### Where to Buy Costume

• Replies: 0
• Views: 456
Jun 23rd 2013, 07:20 PM
10. ### Solve using the Chinese Remainder Theorem

• Replies: 3
• Views: 1,421
Jun 22nd 2013, 12:40 PM
11. ### Ring of integers

• Replies: 3
• Views: 520
Jun 18th 2013, 12:31 PM
12. ### indirect method

• Replies: 1
• Views: 1,049
Jun 17th 2013, 09:12 PM
13. ### For which n is 1^2 + 2^2 + ... + (n-1)^2 ≡ 0 mod n true?

• Replies: 1
• Views: 565
Jun 5th 2013, 07:14 AM
14. ### Chebyshev Function (I think)

• Replies: 0
• Views: 638
Jun 4th 2013, 04:48 AM
15. ### can you help me find the missing number combination?

• Replies: 2
• Views: 843
May 24th 2013, 08:46 AM
16. ### Proving that a set is unbounded above

• Replies: 2
• Views: 1,643
May 20th 2013, 09:58 AM

• Replies: 0
• Views: 640
May 18th 2013, 10:17 PM
18. ### help needed with this Riemann hypothesis argument

• Replies: 0
• Views: 502
May 18th 2013, 11:31 AM
19. ### Equivalent of GOLDBACH conjecture, Sho that the statement : Every integer greater tha

• Replies: 1
• Views: 827
May 16th 2013, 08:33 PM
20. ### Proof by induction

• Replies: 3
• Views: 800
May 16th 2013, 03:47 AM
21. ### pseudo-prime

• Replies: 3
• Views: 530
May 15th 2013, 01:40 AM
22. ### Algorithm to compute the k first and last digits of n^n

• Replies: 2
• Views: 721
May 14th 2013, 06:56 AM
23. ### Polynomial congruence

• Replies: 0
• Views: 814
May 10th 2013, 10:23 AM
24. ### Remainder of 823^823 divided by 11

• Replies: 3
• Views: 1,463
May 9th 2013, 11:42 AM

• Replies: 0
• Views: 638
May 7th 2013, 10:48 AM

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