天气预报15天查询> 其他> 1和0是合数吗

1和0是合数吗

更新时间: 2020-10-03 00:00:00     

合数是指自然数中除了能被1和本身整除外,还能被其他的数整除的数。“0”、“1”既不是质数也不是合数。

合数指自然数中除了能被1和本身整除外,还能被其他数整除的数。与之相对的是质数,而1既不属于质数也不属于合数。最小的合数是4。其中,完全数与相亲数是以它为基础的。

关键词: 合数

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2895005/ | 耗时:0.9034 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2895005 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2895005 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2895005 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1120418,1071749,3316193,1052017,1067631,1076199,1071905,1050423,1063467,1065683,1067739,1064663,1073846,1062624,1124013,1062866,1065125,1097895,1126218,1072713,1098325,1072679,1074532,1049398,1112398,1069922,1062944,1703324,1071279,1053778) ORDER BY field (ArticleID,1120418,1071749,3316193,1052017,1067631,1076199,1071905,1050423,1063467,1065683,1067739,1064663,1073846,1062624,1124013,1062866,1065125,1097895,1126218,1072713,1098325,1072679,1074532,1049398,1112398,1069922,1062944,1703324,1071279,1053778)