编辑“︁2000”︁（章节）

=== 2000至2249 ===
{{數字性質列表|start=2000|end=2999|use math=yes|white list=2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025,2026,2027,2028,2029,2030,2031,2032,2033,2034,2035,2036,2037,2038,2039,2040,2041,2042,2043,2044,2045,2046,2047,2048,2049,2050,2051,2052,2053,2054,2055,2056,2057,2058,2059,2060,2063,2069,2070,2080,2093,2095,2096,2097,2099,2100,2101,2107,2108,2109,2112,2113,2116,2117,2119,2120,2122,2125,2127,2129,2135,2136,2138,2141,2142,2145,2162,2166,2169,2171,2172,2175,2176,2179,2187,2188,2197,2199,2205,2207,2208,2209,2211,2222,2223,2230,2232,
| 2001 = 
*[[楔形数]]
| 2002 = 
*[[迴文數]]
| 2003 = 
*[[索菲热尔曼质数]]
| 2008 = 
*[[二進位]]中只有一個質數的[[倒數]]的[[循環節]]長度為2008
| 2014 = 
*[[楔形数]]
| 2016 = 
*[[三角形数]]
| 2017 = 
*[[梅坦斯函数]]零
| 2020 = 
*前81个整数的[[欧拉函数]]和
| 2021 = 
*由連續兩個正整數（20與21）拼合而成，同時又是連續兩個質數（43與47）的乘積。
| 2024 = 
*[[四面体数]]
| 2025 = 
*<math>45^2</math>，前9个整数的立方和， [[中心八边形数]]
| 2027 = 
*[[安全素数]]
| 2029 = 
*[[Mian-Chowla数列]]成员
| 2030 = 
*<math>21^2 + 22^2 + 23^2 + 24^2</math>, <math>25^2 + 26^2 + 27^2</math>
| 2031 = 
*[[中心五边形数]]
| 2039 = 
*索菲热尔曼质数，安全素数
| 2047 = 
*[[Super-Poulet数]]，[[胡道尔数]]，[[十边形数]]，[[梅森數|梅森質數]]
| 2048 = 
*[[2的幂]]，[[2048 (遊戲)|同名遊戲]]
| 2049 = 
*[[費馬數]]
| 2056 = 
*''n''×''n''[[幻方]]的[[幻方常數]]和''n'' = 16的[[八皇后问题|''n''-皇后问题]]。
| 2060 = 
*前82个整数的欧拉函数和
| 2063 = 
*索菲热尔曼质数，安全素数
| 2069 = 
*索菲热尔曼质数
| 2070 = 
*[[普洛尼克数]]
| 2080 = 
*三角形数
| 2093 = 
*梅坦斯函数零
| 2095 = 
*梅坦斯函数零，[[十五边形数]]
| 2096 = 
*梅坦斯函数零
| 2097 = 
*梅坦斯函数零
| 2099 = 
*梅坦斯函数零，安全素数，[[高互補歐拉商數]]
| 2100 = 
*梅坦斯函数零
| 2101 = 
*[[中心七边形数]]
| 2107 = 
*和2108互为[[鲁斯-阿伦数对]]（第一定义）
| 2108 = 
*和2107互为鲁斯-阿伦数对（第一定义）
| 2109 = 
*[[正方形底金字塔数]]
| 2112 = 
*[[2112（专辑）|Rush]]乐队的突破性专辑
| 2113 = 
*梅坦斯函数零，[[普罗斯数|普罗斯质数]]
| 2116 = 
*<math>46^2</math>
| 2117 = 
*梅坦斯函数零
| 2119 = 
*梅坦斯函数零
| 2120 = 
*梅坦斯函数零
| 2122 = 
*梅坦斯函数零
| 2125 = 
*[[九边形数]]
| 2127 = 
*前34个质数的和
| 2129 = 
*索菲热尔曼质数
| 2135 = 
*梅坦斯函数零
| 2136 = 
*梅坦斯函数零
| 2138 = 
*梅坦斯函数零
| 2141 = 
*索菲热尔曼质数
| 2142 = 
*前83个整数的欧拉函数和
| 2145 = 
*三角形数
| 2162 = 
*普洛尼克数
| 2166 = 
*前84个整数的欧拉函数和
| 2169 = 
*[[利兰数]]
| 2171 = 
*梅坦斯函数零
| 2172 = 
*梅坦斯函数零
| 2175 = 
*smallest number requiring 143 seventh powers for Waring representation
| 2176 = 
*[[五边形底金字塔数]]，中心五边形数
| 2179 = 
*[[Wedderburn-Etherington数]]
| 2187 = 
*<math>3^7</math>, [[吸血鬼数]]，[[perfect totient number]]
| 2188 = 
*[[Motzkin数]]
| 2197 = 
*<math>13^3</math>
| 2199 = 
*perfect totient number
| 2205 = 
*奇[[过剩数]]
| 2207 = 
*安全素数，[[卢卡斯素数]]
| 2208 = 
*[[基思数]]
| 2209 = 
*<math>47^2</math>，中心八边形数
| 2211 = 
*三角形数
| 2222 = 
*[[直線數]]
| 2223 = 
*[[卡布列克数]]
| 2230 = 
*前85个整数的欧拉函数和
| 2232 = 
*十边形数}}