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NOMBRES
COMPOSÉS DURS* ou
composé STABLES Le
nombre 200 est le plus petit nombre qui
ne devient j en
changeant l'un de ses chiffres. Type de nombres dû à Sierpinski |
* Nom français donné par l'auteur du
site
Angl
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Prenons
le nombre 20
Le nombre 20 n'est
pas un nombre composé
dur. |
10, 20,
30, 40 … La ronde des dizaines conserve un nombre composé. 20,
21, 22, 23, 24,
25, 26, 27, 28, 29 La ronde des unités fait apparaître deux nombres
premiers: 23 et 29. |
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Prenons
198
Le nombre 198 n'est
pas un nombre composé
dur |
191 193 197 199 Quatre nombres premiers. |
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Prenons
199
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Mauvais choix, 199 est premier. |
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Prenons
200
Le nombre 200 est un nombre composé dur |
200, 201, 202, 203, 204, 205, 206,
207, 208, 209 Dix nombres composés 200 est le nombre composé dur le plus
petit. |
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Trois
chiffres
Nombres
qui ne deviennent pas premiers en changeant l'un de leurs chiffres. |
200 204 206 208 320 322 324 325 326 328 |
510 512 514 515 516 518 530 532 534 535 536 538 |
620 622 624 625 626 628 |
840 842 844 845 846 848 890 892 894 895 896 898 |
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Quatre
chiffres
Ils
sont 1 266. |
1 070 1 072 1 074 1 075 1 076 1 078 1 130 1 132 1 134 … |
… 9 980 9 982 9 984 9 985 9 986 9 988 9 990 9 992 9 994 9 995 9 996 9 998 |
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Liste jusqu'à 10 000 (ils
sont 1 306) |
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200, 204, 206, 208, 320, 322, 324, 325, 326,
328, 510, 512, 514, 515, 516, 518, 530, 532, 534, 535, 536, 538, 620, 622,
624, 625, 626, 628, 840, 842, 844, 845, 846, 848, 890, 892, 894, 895, 896,
898, 1070, 1072, 1074, 1075, 1076, 1078, 1130, 1132, 1134, 1135, 1136, 1138,
1140, 1142, 1144, 1145, 1146, 1148, 1260, 1262, 1264, 1265, 12661268, 1330, 1332, 1334, 1335, 1336,
1338, 1340, 1342, 1344, 1345, 1346, 1348, 1350, 1352, 1354, 1355, 1356, 1358,
1410, 1412, 1414, 1415, 1416, 1418, 1460, 1462, 1464, 1465, 1466, 1468, 1500,
1502, 1504, 1505, 1506, 1508, 1640, 1642, 1644, 1645, 1646, 1648, 1670, 1672,
1674, 1675, 1676, 1678, 1680, 1682, 1684, 1685, 1686, 1688, 1710, 1712, 1714,
1715, 1716, 1718, 1760, 1762, 1764, 1765, 1766, 1768, 1790, 1792, 1794, 1795,
1796, 1798, 1850, 1852, 1854, 1855, 1856, 1858, 1890, 1892, 1894, 1895, 1896,
1898, 1920, 1922, 1924, 1925, 1926, 1928, 1960, 1962, 1964, 1965, 1966, 1968,
2040, 2042, 2044, 2045, 2046, 2048, 2070, 2072, 2074, 2075, 2076, 2078, 2100,
2102, 2104, 2105, 2106, 2108, 2180, 2182, 2184, 2185, 2186, 2188, 2190, 2192,
2194, 2195, 2196, 2198, 2320, 2322, 2324, 2325, 2326, 2328, 2360, 2362, 2364,
2365, 2366, 2368, 2400, 2402, 2404, 2405, 2406, 2408, 2480, 2482, 2484, 2485,
2486, 2488, 2490, 2492, 2494, 2495, 2496, 2498, 2510, 2512, 2514, 2515, 2516,
2518, 2560, 2562, 2564, 2565, 2566, 2568, 2580, 2582, 2584, 2585, 2586, 2588,
2820, 2822, 2824, 2825, 2826, 2828, 2940, 2942, 2944, 2945, 2946, 2948, 2980,
2982, 2984, 2985, 2986, 2988, 3050, 3052, 3054, 3055, 3056, 3058, 3090, 3092,
3094, 3095, 3096, 3098, 3140, 3142, 3144, 3145, 3146, 3148, 3150, 3152, 3154,
3155, 3156, 3158, 3170, 3172, 3174, 3175, 3176, 3178, 3230, 3232, 3234, 3235,
3236, 3238, 3240, 3242, 3244, 3245, 3246, 3248, 3260, 3262, 3264, 3265, 3266,
3268, 3280, 3282, 3284, 3285, 3286, 3288, 3420, 3422, 3424, 3425, 3426, 3428,
3470, 3472, 3474, 3475, 3476, 3478, 3480, 3482, 3484, 3485, 3486, 3488, 3500,
3502, 3504, 3505, 3506, 3508, 3560, 3562, 3564, 3565, 3566, 3568, 3660, 3662,
3664, 3665, 3666, 3668, 3680, 3682, 3684, 3685, 3686, 3688, 3740, 3742, 3744,
3745, 3746, 3748, 3750, 3752, 3754, 3755, 3756, 3758, 3780, 3782, 3784, 3785,
3786, 3788, 3810, 3812, 3814, 3815, 3816, 3818, 3890, 3892, 3894, 3895, 3896,
3898, 3950, 3952, 3954, 3955, 3956, 3958, 3970, 3972, 3974, 3975, 3976, 3978,
3990, 3992, 3994, 3995, 3996, 3998, 4030, 4032, 4034, 4035, 4036, 4038, 4060,
4062, 4064, 4065, 4066, 4068, 4080, 4082, 4084, 4085, 4086, 4088, 4100, 4102,
4104, 4105, 4106, 4108, 4140, 4142, 4144, 4145, 4146, 4148, 4160, 4162, 4164,
4165, 4166, 4168, 4180, 4182, 4184, 4185, 4186, 4188, 4190, 4192, 4194, 4195,
4196, 4198, 4300, 4302, 4304, 4305, 4306, 4308, 4310, 4312, 4314, 4315, 4316,
4318, 4380, 4382, 4384, 4385, 4386, 4388, 4410, 4412, 4414, 4415, 4416, 4418,
4430, 4432, 4434, 4435, 4436, 4438, 4470, 4472, 4474, 4475, 4476, 4478, 4530,
4532, 4534, 4535, 4536, 4538, 4550, 4552, 4554, 4555, 4556, 4558, 4570, 4572,
4574, 4575, 4576, 4578, 4610, 4612, 4614, 4615, 4616, 4618, 4680, 4682, 4684,
4685, 4686, 4688, 4710, 4712, 4714, 4715, 4716, 4718, 4740, 4742, 4744, 4745,
4746, 4748, 4760, 4762, 4764, 4765, 4766, 4768, 4770, 4772, 4774, 4775, 4776,
4778, 4820, 4822, 4824, 4825, 4826, 4828, 4840, 4842, 4844, 4845, 4846, 4848,
4850, 4852, 4854, 4855, 4856, 4858, 4890, 4892, 4894, 4895, 4896, 4898, 4920,
4922, 4924, 4925, 4926, 4928, 5040, 5042, 5044, 5045, 5046, 5048, 5060, 5062,
5064, 5065, 5066, 5068, 5120, 5122, 5124, 5125, 5126, 5128, 5130, 5132, 5134,
5135, 5136, 5138, 5210, 5212, 5214, 5215, 5216, 5218, 5240, 5242, 5244, 5245,
5246, 5248, 5250, 5252, 5254, 5255, 5256, 5258, 5310, 5312, 5314, 5315, 5316,
5318, 5360, 5362, 5364, 5365, 5366, 5368, 5370, 5372, 5374, 5375, 5376, 5378,
5420, 5422, 5424, 5425, 5426, 5428, 5450, 5452, 5454, 5455, 5456, 5458, 5460,
5462, 5464, 5465, 5466, 5468, 5490, 5492, 5494, 5495, 5496, 5498, 5540, 5542,
5544, 5545, 5546, 5548, 5600, 5602, 5604, 5605, 5606, 5608, 5610, 5612, 5614,
5615, 5616, 5618, 5670, 5672, 5674, 5675, 5676, 5678, 5720, 5722, 5724, 5725,
5726, 5728, 5750, 5752, 5754, 5755, 5756, 5758, 5760, 5762, 5764, 5765, 5766,
5768, 5910, 5912, 5914, 5915, 5916, 5918, 5940, 5942, 5944, 5945, 5946, 5948,
5960, 5962, 5964, 5965, 5966, 5968, 5970, 5972, 5974, 5975, 5976, 5978, 5990,
5992, 5994, 5995, 5996, 5998, 6180, 6182, 6184, 6185, 6186, 6188, 6230, 6232,
6234, 6235, 6236, 6238, 6400, 6402, 6404, 6405, 6406, 6408, 6410, 6412, 6414,
6415, 6416, 6418, 6430, 6432, 6434, 6435, 6436, 6438, 6500, 6502, 6504, 6505,
6506, 6508, 6510, 6512, 6514, 6515, 6516, 6518, 6530, 6532, 6534, 6535, 6536,
6538, 6620, 6622, 6624, 6625, 6626, 6628, 6640, 6642, 6644, 6645, 6646, 6648,
6720, 6722, 6724, 6725, 6726, 6728, 6740, 6742, 6744, 6745, 6746, 6748, 6750,
6752, 6754, 6755, 6756, 6758, 6810, 6812, 6814, 6815, 6816, 6818, 6920, 6922,
6924, 6925, 6926, 6928, 6930, 6932, 6934, 6935, 6936, 6938, 7080, 7082, 7084,
7085, 7086, 7088, 7090, 7092, 7094, 7095, 7096, 7098, 7110, 7112, 7114, 7115,
7116, 7118, 7130, 7132, 7134, 7135, 7136, 7138, 7140, 7142, 7144, 7145, 7146,
7148, 7160, 7162, 7164, 7165, 7166, 7168, 7260, 7262, 7264, 7265, 7266, 7268,
7270, 7272, 7274, 7275, 7276, 7278, 7310, 7312, 7314, 7315, 7316, 7318, 7370,
7372, 7374, 7375, 7376, 7378, 7380, 7382, 7384, 7385, 7386, 7388, 7400, 7402,
7404, 7405, 7406, 7408, 7420, 7422, 7424, 7425, 7426, 7428, 7440, 7442, 7444,
7445, 7446, 7448, 7460, 7462, 7464, 7465, 7466, 7468, 7610, 7612, 7614, 7615,
7616, 7618, 7650, 7652, 7654, 7655, 7656, 7658, 7730, 7732, 7734, 7735, 7736,
7738, 7760, 7762, 7764, 7765, 7766, 7768, 7770, 7772, 7774, 7775, 7776, 7778,
7800, 7802, 7804, 7805, 7806, 7808, 7830, 7832, 7834, 7835, 7836, 7838, 7890,
7892, 7894, 7895, 7896, 7898, 7970, 7972, 7974, 7975, 7976, 7978, 7980, 7982,
7984, 7985, 7986, 7988, 8020, 8022, 8024, 8025, 8026, 8028, 8040, 8042, 8044,
8045, 8046, 8048, 8070, 8072, 8074, 8075, 8076, 8078, 8130, 8132, 8134, 8135,
8136, 8138, 8150, 8152, 8154, 8155, 8156, 8158, 8180, 8182, 8184, 8185, 8186,
8188, 8250, 8252, 8254, 8255, 8256, 8258, 8300, 8302, 8304, 8305, 8306, 8308,
8330, 8332, 8334, 8335, 8336, 8338, 8340, 8342, 8344, 8345, 8346, 8348, 8390,
8392, 8394, 8395, 8396, 8398, 8400, 8402, 8404, 8405, 8406, 8408, 8450, 8452,
8454, 8455, 8456, 8458, 8470, 8472, 8474, 8475, 8476, 8478, 8480, 8482, 8484,
8485, 8486, 8488, 8490, 8492, 8494, 8495, 8496, 8498, 8550, 8552, 8554, 8555,
8556, 8558, 8610, 8612, 8614, 8615, 8616, 8618, 8630, 8632, 8634, 8635, 8636,
8638, 8650, 8652, 8654, 8655, 8656, 8658, 8720, 8722, 8724, 8725, 8726, 8728,
8790, 8792, 8794, 8795, 8796, 8798, 8850, 8852, 8854, 8855, 8856, 8858, 8870,
8872, 8874, 8875, 8876, 8878, 8900, 8902, 8904, 8905, 8906, 8908, 8910, 8912,
8914, 8915, 8916, 8918, 8980, 8982, 8984, 8985, 8986, 8988, 9030, 9032, 9034,
9035, 9036, 9038, 9070, 9072, 9074, 9075, 9076, 9078, 9080, 9082, 9084, 9085,
9086, 9088, 9110, 9112, 9114, 9115, 9116, 9118, 9140, 9142, 9144, 9145, 9146,
9148, 9210, 9212, 9214, 9215, 9216, 9218, 9260, 9262, 9264, 9265, 9266, 9268,
9300, 9302, 9304, 9305, 9306, 9308, 9350, 9352, 9354, 9355, 9356, 9358, 9360,
9362, 9364, 9365, 9366, 9368, 9380, 9382, 9384, 9385, 9386, 9388, 9440, 9442,
9444, 9445, 9446, 9448, 9450, 9452, 9454, 9455, 9456, 9458, 9480, 9482, 9484,
9485, 9486, 9488, 9500, 9502, 9504, 9505, 9506, 9508, 9560, 9562, 9564, 9565,
9566, 9568, 9570, 9572, 9574, 9575, 9576, 9578, 9590, 9592, 9594, 9595, 9596,
9598, 9650, 9652, 9654, 9655, 9656, 9658, 9700, 9702, 9704, 9705, 9706, 9708,
9750, 9752, 9754, 9755, 9756, 9758, 9770, 9772, 9774, 9775, 9776, 9778, 9840,
9842, 9844, 9845, 9846, 9848, 9860, 9862, 9864, 9865, 9866, 9868, 9890, 9892,
9894, 9895, 9896, 9898, 9910, 9912, 9914, 9915, 9916, 9918, 9950, 9952, 9954,
9955, 9956, 9958, 9980, 9982, 9984, 9985, 9986, 9988, 9990, 9992, 9994, 9995,
9996, 9998, 10010 |
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