Édition du: 06/07/2023 |
649 – (6 + 4 + 9) = 630
= T35 |
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649² – 13 × 180² = 1 x² – 13y² = 1 |
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649, 144, 111, 9232 |
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Le cycle
de Syracuse pour n = 649
649, 1948, 974, 487, 1462, 731, 2194, 1097, 3292, 1646,
823, 2470, 1235, 3706, 1853, 5560, 2780, 1390, 695, 2086, 1043, 3130, 1565,
4696, 2348, 1174, 587, 1762, 881, 2644, 1322, 661, 1984, 992, 496, 248, 124,
62, 31, 94, 47, 142, 71, 214, 107, 322, 161, 484, 242, 121, 364, 182, 91,
274, 137, 412, 206, 103, 310, 155, 466, 233, 700, 350, 175, 526, 263, 790,
395, 1186, 593, 1780, 890, 445, 1336, 668, 334, 167, 502, 251, 754, 377,
1132, 566, 283, 850, 425, 1276, 638, 319, 958, 479, 1438, 719, 2158, 1079,
3238, 1619, 4858, 2429, 7288, 3644, 1822, 911, 2734, 1367, 4102, 2051, 6154,
3077, 9232, 4616, 2308, 1154, 577, 1732, 866,
433, 1300, 650, 325, 976, 488, 244, 122, 61, 184, 92, 46, 23, 70, 35, 106,
53, 160, 80, 40, 20, 10, 5, 16, 8, 4, 2, 1 |
649 = 19 + 20 + … + 40 |
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649 = 2² + 3² + … + 12² |
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2649 = 2335 …86664…33312
= 2,3… 10195 |
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Voir Diviseurs, Quantité,
Somme,
Fonctions
arithmétiques
Repdigit (Brésilien) |
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649 2, [1, 0,
1, 0, 0, 0, 1, 0, 0, 1] 3, [2, 2,
0, 0, 0, 1] 4, [2, 2,
0, 2, 1] 5, [1, 0,
0, 4, 4] 6, [3, 0,
0, 1] 7, [1, 6,
1, 5] 8, [1, 2,
1, 1] 9, [8, 0,
1] 10, [6, 4,
9] 11, [5, 4,
0] |
12, [4, 6,
1] 13, [3,
10, 12] 14, [3, 4, 5] 15, [2,
13, 4] 16, [2, 8,
9] 17, [2, 4, 3] 18, [2, 0, 1] 19, [1,
15, 3] 20, [1,
12, 9] 21, [1, 9,
19] |
22, [1, 7,
11] 23, [1, 5,
5] 24, [1, 3, 1] 25, [1, 0,
24] 26, [24, 25] 27, [24,
1] 28, [23,
5] 29, [22,
11] 30, [21,
19] 60, [10,
49] |
58, [11,
11] 648, [1,
1] |
Voir Bases / Brésiliens
Suite |
Voir Haut
de page / Autres
nombres |
Voir |
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Cette page |
http://villemin.gerard.free.fr/NombDico/N5002000/aaaN600/N649.htm
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