Draft:−3
Submission declined on 5 July 2026 by Stuartyeates (talk).
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Submission declined on 19 June 2026 by Stuartyeates (talk). As before. You need to read and act on the feedback. Declined by Stuartyeates 40 days ago. |
Submission declined on 13 June 2026 by Stuartyeates (talk). This draft reads like an essay or opinion piece. Wikipedia is not a place for original research or personal opinions. The draft should:
Declined by Stuartyeates 45 days ago.
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Submission declined on 12 June 2026 by Hurricane Wind and Fire (talk). This draft appears to be a dictionary definition. Wikipedia is not a dictionary and we do not accept articles that are simply definitions of words, acronyms, or slang.
Declined by Hurricane Wind and Fire 47 days ago.
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This draft is not adequately supported by reliable sources. Wikipedia's verifiability policy requires that all content be supported by reliable sources.
This draft appears to be a dictionary definition. Wikipedia is not a dictionary and we do not accept articles that are simply definitions of words, acronyms, or slang.
Declined by Spiderone 5 months ago.
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This draft appears to be a dictionary definition. Wikipedia is not a dictionary and we do not accept articles that are simply definitions of words, acronyms, or slang.
Declined by GGOTCC 8 months ago.
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Comment: Per comment by User:Hurricane Wind and Fire, needs a properties section on a par with -2. Stuartyeates (talk) 23:15, 13 June 2026 (UTC)
Comment: Still largely just a dictionary definition. Expand onto the properties section to a point where it is similar to the properties section in -2 and it will be ready for acceptance. 🌀Hurricane Wind and Fire, why did you decline my draft? (talk) (contribs)🔥 03:41, 12 June 2026 (UTC)
Comment: If you want the draft to be like -2, then please include citations so this is not a dictionary entry GGOTCC 21:07, 1 November 2025 (UTC)
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|---|---|---|---|---|
| Cardinal | negative three | |||
| Ordinal | -3rd (negative third) | |||
| Divisors | 1, 3 | |||
| Arabic | −٣ | |||
| Bengali | −৩ | |||
| Binary (byte) | 11111101 | |||
In mathematics, negative three or minus three is an negative integer three units from the origin, denoted as −3 or −3. It is the additive inverse of 3, positioned between −4 and −2. It is the second largest negative odd number.
Properties
[edit]- Negative three is a quadratic residue modulo 4.[1]
- Negative three is the first, and smallest negated heegner number. only nine negative numbers have this property: −3, −4, −7, −8, −11, −19, −43, −67, −163.[2]
- Negative three is the only negative integer whose Möbius function value appears as a fixed point of the map in the sequence 𝜇(𝑛) ∈ {−1,0,1}.[3]
Divisors of negative three
[edit]The divisors of the number negative three, including negative divisors, are identical to those of two: 1, 3, −1 −3.[4] Since its only divisors are ±1 and ±3, negative three is considered an irreducible element, which is the equivalent of a prime number for negative integers.[5]
Square root of negative three
[edit]The square root of negative three produces both quadratic field, and cyclotomic field.[6]
In the quadratic field , negative three is its fundamental discriminant, and the ring of integers in this field is the lattice of Eisenstein integers.[7]
which forms a perfect hexagonal (triangular) lattice in the plane.[7]
- The quadratic field also has class number 1, meaning it behaves better as the integers for factoring.[8]
In the cyclotomic field , the discriminant of the field is −3,[7] meaning three is the only rational prime that becomes ramified,[9][10] and the ramification index is exactly two.
See Also
[edit]References
[edit]- ^ Burton, David (February 15, 2006). Elementary Number Theory. Waveland Press. Retrieved 11 June 2026.
- ^ Sloane, N. J. A. (ed.). "Sequence A014602 (Discriminants of imaginary quadratic fields with class number 1 (negated).)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A008683". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A027750 (Triangle read by rows in which row n lists the divisors of n.)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ "Unique Factorization Domains (UFDs)" (PDF). University of Galway. Retrieved 19 June 2026.
- ^ "Cyclotomic Field". Wolfram MathWorld. Retrieved 27 June 2026.
- ^ a b c "Eisenstein Integer". Wolfram MathWorld. Retrieved 12 June 2026.
- ^ Sloane, N. J. A. (ed.). "Sequence A000924 (Class number of Q(sqrt(-n)), n squarefree.)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ "Quadratic Field". Wolfram MathWorld. Retrieved 27 June 2026.
- ^ Washington, Lawrence C. (1997). Introduction to Cyclotomic Fields. Springer Science & Business Media. ISBN 978-0-387-94762-4.
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