11-XX |
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Number theory |
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11Axx |
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Elementary number theory {For analogues in number fields, see 11R04} |
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11A05 |
Multiplicative structure; Euclidean algorithm; greatest common divisors |
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11A07 |
Congruences; primitive roots; residue systems |
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11A15 |
Power residues, reciprocity |
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11A25 |
Arithmetic functions; related numbers; inversion formulas |
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11A41 |
Primes |
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11A51 |
Factorization; primality |
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11A55 |
Continued fractions {For approximation results, see 11J70} [See also 11K50, 30B70, 40A15] |
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11A63 |
Radix representation; digital problems {For metric results, see 11K16} |
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11A67 |
Other number representations |
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11A99 |
None of the above, but in this section |