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15
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Solution to a linear combination of integers being zero

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#elementary-number-theory #integers #linear-diophantine-equations
130
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What is the least positive integer $n$ for which $|\sin(n)-\sin(n^{\circ})|<0.005$

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#trigonometry #inequality #absolute-value #integers
57
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Regarding group notation

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#abstract-algebra #group-theory #prime-numbers #notation #integers
81
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Problem of values in a $3\times3$ magic square

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#matrices #arithmetic #integers #magic-square
750
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Determine all functions $f:\mathbb{Z}\to\mathbb{Z}$ such that $f\big(f(n)\big)=-(q-p)\,f(n)+pq\,n$ for all $n\in\mathbb{Z}$.

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#functions #recurrence-relations #functional-equations #recursion #integers
110
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How many solutions to $a^{(p-1)/2} \equiv 1 (p)$

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#number-theory #elementary-number-theory #integers
49
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Ideas for inequality

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#inequality #integers
70
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Linear difference equation with modulo operation

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#algorithms #recurrence-relations #integers
218
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$x \cdot y$ is an integer and $x - y$ is an integer. Do $x$ and $y$ both have to be integers?

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#integers
30
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Duplicate each digit in a whole number with arithmetic operations

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#integers
79
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Compute the new reciprocal from the old one for Barrett division

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#integers #newton-raphson
179
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Primitive instances where $c^3|(a^3+b^3)$ with $a,b,c\in\mathbb{N}$

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#number-theory #elementary-number-theory #diophantine-equations #integers #cubics
88
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Solve for positive integers $x,y,z$

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#exponentiation #integers
48
Views

Partitioning integers into two parts and exploring relationships with positional numeral systems

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#elementary-number-theory #soft-question #integers #number-systems
410
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Find $x$ so that rational function is an integer

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#algebra-precalculus #polynomials #integers #rational-numbers #rational-functions

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