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Somme des chiffres pairs égale celle des impairs Exemples (normal et palindrome) |
Somme chiffre pairs = somme chiffres impairs |
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0-999 30 |
112,
121, 134, 143, 156, 165, 178, 187, 211, 314, 336, 341, 358, 363, 385, 413,
431, 516, 538, 561, 583, 615, 633, 651, 718, 781, 817, 835,
853, 871 |
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1000-1999 54 |
1012, 1021, 1034, 1043, 1056, 1065, 1078, 1087, 1102, 1120, 1201,
1210, 1223, 1232, 1245, 1254, 1267, 1276, 1289, 1298, 1304, 1322, 1340, 1403,
1425, 1430, 1447, 1452, 1469, 1474, 1496, 1506, 1524, 1542, 1560, 1605, 1627,
1649, 1650, 1672, 1694, 1708, 1726, 1744, 1762, 1780, 1807, 1829, 1870, 1892,
1928, 1946, 1964, 1982 |
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2000-2999 45 |
2011, 2101, 2110, 2123, 2132, 2145, 2154, 2167, 2176, 2189, 2198,
2213, 2231, 2312, 2321, 2334, 2343, 2356, 2365, 2378, 2387, 2415, 2433, 2451,
2514, 2536, 2541, 2558, 2563, 2585, 2617, 2635, 2653, 2671, 2716, 2738, 2761,
2783, 2819, 2837, 2855, 2873, 2891, 2918, 2981 |
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3000-3999 57 |
[3014, 3036, 3041, 3058, 3063, 3085, 3104, 3122, 3140, 3212, 3221,
3234, 3243, 3256, 3265, 3278, 3287, 3306, 3324, 3342, 3360, 3401, 3410, 3423,
3432, 3445, 3454, 3467, 3476, 3489, 3498, 3508, 3526, 3544, 3562, 3580, 3603,
3625, 3630, 3647, 3652, 3669, 3674, 3696, 3728, 3746, 3764, 3782, 3805, 3827,
3849, 3850, 3872, 3894, 3948, 3966, 3984 |
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4000-4999 54 |
4013, 4031, 4103, 4125, 4130, 4147, 4152, 4169, 4174, 4196, 4215,
4233, 4251, 4301, 4310, 4323, 4332, 4345, 4354, 4367, 4376, 4389, 4398, 4417,
4435, 4453, 4471, 4512, 4521, 4534, 4543, 4556, 4565, 4578, 4587, 4619, 4637,
4655, 4673, 4691, 4714, 4736, 4741, 4758, 4763, 4785, 4839, 4857, 4875, 4893,
4916, 4938, 4961, 4983 |
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6000-5999 54 |
5016, 5038, 5061, 5083, 5106, 5124, 5142, 5160,
5214, 5236, 5241, 5258, 5263, 5285, 5308, 5326, 5344, 5362, 5380, 5412, 5421,
5434, 5443, 5456, 5465, 5478, 5487, 5528, 5546, 5564, 5582, 5601, 5610, 5623,
5632, 5645, 5654, 5667, 5676, 5689, 5698, 5748, 5766, 5784, 5803, 5825, 5830,
5847, 5852, 5869, 5874, 5896, 5968, 5986 |
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[121,
11], [10201, 101], [12100, 110], [26569, 163], [29584, 172], [30625, 175],
[34225, 185], [54289, 233], [69696, 264], [77284, 278], [185761, 431],
[231361, 481], [294849, 543], [398161, 631], [403225, 635], [469225, 685], … |
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[6859,
19] Le seul ? Oui, jusqu'à 500 000. |
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Aucun jusqu'à 500 000. |
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121, 363, 10201, 11411, 13831, 23232, 25652,
30603, 31813, 32223, 45254, 47674, 52625, 54245, 67276, 69696, 74647, 76267,
89298, 96669, 98289, 112211, 121121, 134431, 143341, 156651, 165561, 178871,
187781, 211112, 314413, 336633, 341143, 358853, 363363, 385583, 413314,
431134, … |
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Triangulaires: n = 1/2 m (m
+ 1) |
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De m = 1 à 999 25 561 = 1/2 x 33 x 34 |
[561, 33], [2145, 65], [2415, 69], [6105, 110],
[22578, 212], [34980, 264], [42778, 292], [47278, 307], [54946, 331], [70876,
376], [76245, 390], [92665, 430], [94830, 435], [95266, 436], [96580, 439],
[142311, 533], [173166, 588], [186355, 610], [222778, 667], [250278, 707],
[296065, 769], [418155, 914], [445096, 943], [456490, 955], [475800, 975] |
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De m = 1000 à 1999 36 |
[511566, 1011], [518671, 1018], [568711, 1066],
[627760, 1120], [630003, 1122], [649230, 1139], [654940, 1144], [800745,
1265], [870540, 1319], [893116, 1336], [903840, 1344], [925480, 1360],
[928203, 1362], [958420, 1384], [984906, 1403], [1031766, 1436], [1038961,
1441], [1148370, 1515], [1186570, 1540], [1202025, 1550], [1306536, 1616],
[1324378, 1627], [1332528, 1632], [1347261, 1641], [1363726, 1651], [1378630,
1660], [1386945, 1665], [1425516, 1688], [1454365, 1705], [1483503, 1722],
[1493856, 1728], [1613706, 1796], [1644391, 1813], [1819278, 1907], [1830741,
1913], [1875016, 1936] |
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Suite |
Somme et produit d'un nombre – Identiques
Somme et produit avec couples de
nombres
Somme-Produit
des chiffres – Index
Les
chiffres de la somme sont dans le produit
Partition des nombres en somme
de puissance
Somme et produit – Énigme
de Freudenthal |
Voir |
|
Site |
OEIS
A036301 – Numbers whose sum of even digits and sum of odd digits are
equal |
Cette page |
http://villemin.gerard.free.fr/aNombre/MOTIF/Chiffres/ScPEScI.htm
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