Édition du: 13/04/2025 |
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Nouvelle
orthographe avec
des traits d'union partout |
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Chiffres et numération
321 |
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22, 123, 132, 213,
231, 312, 321 |
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321 + 123 = 444 |
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21 / 12 = 1,7 321 / 123 = 2,6 4321 / 1234 = 3,5 etc. |
le
premier vaut le premier chiffre de gauche moins 1, et le
second est son complément à 8. |
Addition
et soustraction
321 =
51 + 52 + 53 |
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Multiplication et division
321 =
3 × 27 123 = 3 ×
41 |
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321 P321 = 2131 |
Liste: [321, 2131], [1384, 11483],
[1395, 11593], [2632, 23663], [3751, 35171], [4980, 48409], [5790, 57097],
[6106, 60601], [6331, 63131], [6347, 63347], [6397, 63793], [6432, 64223],
[6457, 64577], [6581, 65881], [6714, 67411], [6780, 68087], [6931, 69931], [7119,
71917], [7192, 72719], [7341, 74413], [7345, 74453], [7384, 74873], [7795,
79579], [7908, 80789], [8305, 85303], [8351, 85831], [8355, 85853], [9154,
94951], [9551, 99551], … |
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Avec les
puissances
321 =
10² + 10² + 11² |
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321 =
Q(5) |
Valeurs:
(n) = {1, 3, 13, 63, 321, 1683, 8989, 48639, 265729, 1462563, 8097453, …}. OEIS A001850 |
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Voir Diviseurs, Quantité,
Somme,
Fonctions
arithmétiques
Numération: base, [chiffres] |
Repdigit (Brésilien) |
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2,
[1, 0, 1, 0, 0, 0, 0, 0, 1] 3,
[1, 0, 2, 2, 2, 0] 4,
[1, 1, 0, 0, 1] 5,
[2, 2, 4, 1] 6,
[1, 2, 5, 3] 7, [6, 3, 6] 8,
[5, 0, 1] 9,
[3, 8, 6] 10, [3, 2, 1] 11, [2, 7, 2] |
12,
[2, 2, 9] 13,
[1, 11, 9] 14,
[1, 8, 13] 15,
[1, 6, 6] 16, [1, 4, 1] 17,
[1, 1, 15] 18,
[17, 15] 19,
[16, 17] 20,
[16, 1] 21,
[15, 6] |
22,
[14, 13] 23,
[13, 22] 24,
[13, 9] 25,
[12, 21] 26,
[12, 9] 27,
[11, 24] 28,
[11, 13] 29,
[11, 2] 30,
[10, 21] 60,
[5, 21] |
106, [3,
3] 320, [1,
1] |
Voir Bases
/ Brésiliens
Retour Suite |
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Voir |
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Voir |