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	<id>https://arolstar52-zhtest.hf.space/index.php?action=history&amp;feed=atom&amp;title=2000</id>
	<title>2000 - 版本历史</title>
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		<title>imported&gt;Fu ht：​/* 2000至2249 */</title>
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		<updated>2024-05-01T17:24:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;2000至2249&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Refimprove|time=2013-06-25T04:57:44+00:00 }}&lt;br /&gt;
{{noteTA|G1=Math}}&lt;br /&gt;
{{整数&lt;br /&gt;
| 花碼 = 〢〇〇〇&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;2000&amp;#039;&amp;#039;&amp;#039;是[[1999]]與[[2001]]間的[[自然数]]。&lt;br /&gt;
&lt;br /&gt;
2000是仅用两位[[罗马数字]]（MM）能表示的最大的数。&lt;br /&gt;
&lt;br /&gt;
== 2000至2999的數字 ==&lt;br /&gt;
=== 2000至2249 ===&lt;br /&gt;
{{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,&lt;br /&gt;
| 2001 = &lt;br /&gt;
*[[楔形数]]&lt;br /&gt;
| 2002 = &lt;br /&gt;
*[[迴文數]]&lt;br /&gt;
| 2003 = &lt;br /&gt;
*[[索菲热尔曼质数]]&lt;br /&gt;
| 2008 = &lt;br /&gt;
*[[二進位]]中只有一個質數的[[倒數]]的[[循環節]]長度為2008&lt;br /&gt;
| 2014 = &lt;br /&gt;
*[[楔形数]]&lt;br /&gt;
| 2016 = &lt;br /&gt;
*[[三角形数]]&lt;br /&gt;
| 2017 = &lt;br /&gt;
*[[梅坦斯函数]]零&lt;br /&gt;
| 2020 = &lt;br /&gt;
*前81个整数的[[欧拉函数]]和&lt;br /&gt;
| 2021 = &lt;br /&gt;
*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。&lt;br /&gt;
| 2024 = &lt;br /&gt;
*[[四面体数]]&lt;br /&gt;
| 2025 = &lt;br /&gt;
*&amp;lt;math&amp;gt;45^2&amp;lt;/math&amp;gt;，前9个整数的立方和， [[中心八边形数]]&lt;br /&gt;
| 2027 = &lt;br /&gt;
*[[安全素数]]&lt;br /&gt;
| 2029 = &lt;br /&gt;
*[[Mian-Chowla数列]]成员&lt;br /&gt;
| 2030 = &lt;br /&gt;
*&amp;lt;math&amp;gt;21^2 + 22^2 + 23^2 + 24^2&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;25^2 + 26^2 + 27^2&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2031 = &lt;br /&gt;
*[[中心五边形数]]&lt;br /&gt;
| 2039 = &lt;br /&gt;
*索菲热尔曼质数，安全素数&lt;br /&gt;
| 2047 = &lt;br /&gt;
*[[Super-Poulet数]]，[[胡道尔数]]，[[十边形数]]，[[梅森數|梅森質數]]&lt;br /&gt;
| 2048 = &lt;br /&gt;
*[[2的幂]]，[[2048 (遊戲)|同名遊戲]]&lt;br /&gt;
| 2049 = &lt;br /&gt;
*[[費馬數]]&lt;br /&gt;
| 2056 = &lt;br /&gt;
*&amp;#039;&amp;#039;n&amp;#039;&amp;#039;×&amp;#039;&amp;#039;n&amp;#039;&amp;#039;[[幻方]]的[[幻方常數]]和&amp;#039;&amp;#039;n&amp;#039;&amp;#039; = 16的[[八皇后问题|&amp;#039;&amp;#039;n&amp;#039;&amp;#039;-皇后问题]]。&lt;br /&gt;
| 2060 = &lt;br /&gt;
*前82个整数的欧拉函数和&lt;br /&gt;
| 2063 = &lt;br /&gt;
*索菲热尔曼质数，安全素数&lt;br /&gt;
| 2069 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2070 = &lt;br /&gt;
*[[普洛尼克数]]&lt;br /&gt;
| 2080 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2093 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2095 = &lt;br /&gt;
*梅坦斯函数零，[[十五边形数]]&lt;br /&gt;
| 2096 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2097 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2099 = &lt;br /&gt;
*梅坦斯函数零，安全素数，[[高互補歐拉商數]]&lt;br /&gt;
| 2100 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2101 = &lt;br /&gt;
*[[中心七边形数]]&lt;br /&gt;
| 2107 = &lt;br /&gt;
*和2108互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2108 = &lt;br /&gt;
*和2107互为鲁斯-阿伦数对（第一定义）&lt;br /&gt;
| 2109 = &lt;br /&gt;
*[[正方形底金字塔数]]&lt;br /&gt;
| 2112 = &lt;br /&gt;
*[[2112（专辑）|Rush]]乐队的突破性专辑&lt;br /&gt;
| 2113 = &lt;br /&gt;
*梅坦斯函数零，[[普罗斯数|普罗斯质数]]&lt;br /&gt;
| 2116 = &lt;br /&gt;
*&amp;lt;math&amp;gt;46^2&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2117 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2119 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2120 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2122 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2125 = &lt;br /&gt;
*[[九边形数]]&lt;br /&gt;
| 2127 = &lt;br /&gt;
*前34个质数的和&lt;br /&gt;
| 2129 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2135 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2136 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2138 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2141 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2142 = &lt;br /&gt;
*前83个整数的欧拉函数和&lt;br /&gt;
| 2145 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2162 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2166 = &lt;br /&gt;
*前84个整数的欧拉函数和&lt;br /&gt;
| 2169 = &lt;br /&gt;
*[[利兰数]]&lt;br /&gt;
| 2171 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2172 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2175 = &lt;br /&gt;
*smallest number requiring 143 seventh powers for Waring representation&lt;br /&gt;
| 2176 = &lt;br /&gt;
*[[五边形底金字塔数]]，中心五边形数&lt;br /&gt;
| 2179 = &lt;br /&gt;
*[[Wedderburn-Etherington数]]&lt;br /&gt;
| 2187 = &lt;br /&gt;
*&amp;lt;math&amp;gt;3^7&amp;lt;/math&amp;gt;, [[吸血鬼数]]，[[perfect totient number]]&lt;br /&gt;
| 2188 = &lt;br /&gt;
*[[Motzkin数]]&lt;br /&gt;
| 2197 = &lt;br /&gt;
*&amp;lt;math&amp;gt;13^3&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2199 = &lt;br /&gt;
*perfect totient number&lt;br /&gt;
| 2205 = &lt;br /&gt;
*奇[[过剩数]]&lt;br /&gt;
| 2207 = &lt;br /&gt;
*安全素数，[[卢卡斯素数]]&lt;br /&gt;
| 2208 = &lt;br /&gt;
*[[基思数]]&lt;br /&gt;
| 2209 = &lt;br /&gt;
*&amp;lt;math&amp;gt;47^2&amp;lt;/math&amp;gt;，中心八边形数&lt;br /&gt;
| 2211 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2222 = &lt;br /&gt;
*[[直線數]]&lt;br /&gt;
| 2223 = &lt;br /&gt;
*[[卡布列克数]]&lt;br /&gt;
| 2230 = &lt;br /&gt;
*前85个整数的欧拉函数和&lt;br /&gt;
| 2232 = &lt;br /&gt;
*十边形数}}&lt;br /&gt;
&lt;br /&gt;
=== 2250至2499 ===&lt;br /&gt;
{{數字性質列表|start=2250|end=2499|use math=yes|white list=2254,2255,2256,2262,2269,2272,2273,2276,2278,2287,2294,2295,2296,2299,2300,2301,2304,2306,2309,2310,2311,2321,2322,2326,2328,2331,2338,2339,2345,2346,2351,2352,2357,2368,2378,2379,2393,2397,2399,2400,2401,2415,2417,2425,2427,2437,2447,2450,2456,2458,2459,2465,2468,2470,2480,2481,2484,2485,2491,2492,&lt;br /&gt;
| 2254 = &lt;br /&gt;
*Mian-Chowla数列成员&lt;br /&gt;
| 2255 = &lt;br /&gt;
*[[八面体数]]&lt;br /&gt;
| 2256 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2262 = &lt;br /&gt;
*農曆有[[閏正月]]年份&lt;br /&gt;
| 2269 = &lt;br /&gt;
*[[立方质数]]&lt;br /&gt;
| 2272 = &lt;br /&gt;
*前86个整数的欧拉函数和&lt;br /&gt;
| 2273 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2276 = &lt;br /&gt;
*前35个质数和，中心七边形数&lt;br /&gt;
| 2278 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2287 = &lt;br /&gt;
*[[平衡质数]]&lt;br /&gt;
| 2294 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2295 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2296 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2299 = &lt;br /&gt;
*和2300互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2300 = &lt;br /&gt;
*四面体数，和2299互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2301 = &lt;br /&gt;
*九边形数&lt;br /&gt;
| 2304 = &lt;br /&gt;
*&amp;lt;math&amp;gt;48^2&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2306 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2309 = &lt;br /&gt;
*[[primorial prime]]，梅坦斯函数零，highly cototient number&lt;br /&gt;
| 2310 = &lt;br /&gt;
*第五个[[质数阶乘]]&lt;br /&gt;
| 2311 = &lt;br /&gt;
*primorial prime&lt;br /&gt;
| 2321 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2322 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2326 = &lt;br /&gt;
*中心五边形数&lt;br /&gt;
| 2328 = &lt;br /&gt;
*前87个整数的欧拉函数和&lt;br /&gt;
| 2331 = &lt;br /&gt;
*[[中心立方体数]]&lt;br /&gt;
| 2338 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2339 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2345 = &lt;br /&gt;
*[[直線數]]&lt;br /&gt;
| 2346 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2351 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2352 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2357 = &lt;br /&gt;
*[[Smarandache-Wellin素数]]，農曆有閏正月年份&lt;br /&gt;
| 2368 = &lt;br /&gt;
*前88个整数的欧拉函数和&lt;br /&gt;
| 2378 = &lt;br /&gt;
*[[Pell数]]&lt;br /&gt;
| 2379 = &lt;br /&gt;
*Mian-Chowla数列成员&lt;br /&gt;
| 2393 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2397 = &lt;br /&gt;
*前10个质数的平方和&lt;br /&gt;
| 2399 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2400 = &lt;br /&gt;
*[[2005年]]后执行的[[SAT]]测验的满分&lt;br /&gt;
| 2401 = &lt;br /&gt;
*&amp;lt;math&amp;gt;7^4&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;49^2&amp;lt;/math&amp;gt;，中心八边形数&lt;br /&gt;
| 2415 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2417 = &lt;br /&gt;
*平衡质数&lt;br /&gt;
| 2425 = &lt;br /&gt;
*十边形数&lt;br /&gt;
| 2427 = &lt;br /&gt;
*前36个质数和&lt;br /&gt;
| 2437 = &lt;br /&gt;
*立方质数&lt;br /&gt;
| 2447 = &lt;br /&gt;
*安全素数&lt;br /&gt;
| 2450 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2456 = &lt;br /&gt;
*前89个整数的欧拉函数和&lt;br /&gt;
| 2458 = &lt;br /&gt;
*中心七边形数&lt;br /&gt;
| 2459 = &lt;br /&gt;
*索菲热尔曼质数，安全素数&lt;br /&gt;
| 2465 = &lt;br /&gt;
*&amp;#039;&amp;#039;n&amp;#039;&amp;#039;×&amp;#039;&amp;#039;n&amp;#039;&amp;#039;[[幻方]]的[[magic constant]]和&amp;#039;&amp;#039;n&amp;#039;&amp;#039; = 17的[[八皇后问题|&amp;#039;&amp;#039;n&amp;#039;&amp;#039;-皇后问题]]，[[卡迈克尔数]]&lt;br /&gt;
| 2468 = &lt;br /&gt;
*[[直線數]]&lt;br /&gt;
| 2470 = &lt;br /&gt;
*正方形底金字塔数&lt;br /&gt;
| 2480 = &lt;br /&gt;
*前90个整数的欧拉函数和&lt;br /&gt;
| 2481 = &lt;br /&gt;
*中心五边形数&lt;br /&gt;
| 2484 = &lt;br /&gt;
*九边形数&lt;br /&gt;
| 2485 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2491 = &lt;br /&gt;
*和2492互为[[鲁斯-阿伦数对]]（第二定义）&lt;br /&gt;
| 2492 = &lt;br /&gt;
*和2491互为[[鲁斯-阿伦数对]]（第二定义）}}&lt;br /&gt;
&lt;br /&gt;
=== 2500至2749 ===&lt;br /&gt;
{{數字性質列表|start=2500|end=2749|use math=yes|white list=2500,2501,2502,2510,2513,2517,2519,2520,2521,2522,2523,2524,2525,2530,2533,2537,2538,2539,2543,2549,2550,2552,2556,2567,2568,2570,2579,2580,2584,2596,2600,2601,2620,2626,2628,2632,2634,2641,2647,2652,2656,2674,2677,2680,2689,2693,2699,2701,2702,2704,2728,2729,2731,2736,2741,2744,2747,&lt;br /&gt;
| 2500 = &lt;br /&gt;
*&amp;lt;math&amp;gt;50^2&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2501 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2502 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2510 = &lt;br /&gt;
*Mian-Chowla数列成员&lt;br /&gt;
| 2513 = &lt;br /&gt;
*[[巴都万数列]]成员&lt;br /&gt;
| 2517 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2519 = &lt;br /&gt;
*最小的被10除余9，被9除余8，被7除余6，以此类推直到被2除余1的数&lt;br /&gt;
| 2520 = &lt;br /&gt;
*[[高合成数]]，最小的能够被10以下（含）所有自然数整除的数，[[colossally abundant number]]，若干进制的[[哈沙德数]]，農曆有閏正月年份&lt;br /&gt;
| 2521 = &lt;br /&gt;
*最小的被2到10除都余1的数&lt;br /&gt;
| 2522 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2523 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2524 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2525 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2530 = &lt;br /&gt;
*梅坦斯函数零，利兰数&lt;br /&gt;
| 2533 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2537 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2538 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2539 = &lt;br /&gt;
*農曆有閏正月年份&lt;br /&gt;
| 2543 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2549 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2550 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2552 = &lt;br /&gt;
*前91个整数的欧拉函数和&lt;br /&gt;
| 2556 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2567 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2568 = &lt;br /&gt;
*梅坦斯函数零，[[十进制]]1000[[阶乘|!]]或者说是所有从1到1000的[[自然数]]的乘积的位数&lt;br /&gt;
| 2570 = &lt;br /&gt;
*梅坦斯函数零&lt;br /&gt;
| 2579 = &lt;br /&gt;
*安全素数&lt;br /&gt;
| 2580 = &lt;br /&gt;
*基思数&lt;br /&gt;
| 2584 = &lt;br /&gt;
*[[斐波那契数列|斐波那契数]]，前37个质数和&lt;br /&gt;
| 2596 = &lt;br /&gt;
*前92个整数的欧拉函数和&lt;br /&gt;
| 2600 = &lt;br /&gt;
*四面体数，和2601互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2601 = &lt;br /&gt;
*&amp;lt;math&amp;gt;51^2&amp;lt;/math&amp;gt;，和2600互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2620 = &lt;br /&gt;
*和2924互为[[相亲数]]&lt;br /&gt;
| 2626 = &lt;br /&gt;
*十边形数&lt;br /&gt;
| 2628 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2632 = &lt;br /&gt;
*number of consecutive baseball games played by [[Cal Ripken, Jr.]]&lt;br /&gt;
| 2634 = &lt;br /&gt;
*農曆有閏正月年份&lt;br /&gt;
| 2641 = &lt;br /&gt;
*中心五边形数&lt;br /&gt;
| 2647 = &lt;br /&gt;
*中心七边形数&lt;br /&gt;
| 2652 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2656 = &lt;br /&gt;
*前93个整数的欧拉函数和&lt;br /&gt;
| 2674 = &lt;br /&gt;
*九边形数&lt;br /&gt;
| 2677 = &lt;br /&gt;
*平衡质数&lt;br /&gt;
| 2680 = &lt;br /&gt;
*[[八皇后问题|11-皇后问题]]的解的个数&lt;br /&gt;
| 2689 = &lt;br /&gt;
*梅坦斯函数零，普罗斯质数&lt;br /&gt;
| 2693 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2699 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2701 = &lt;br /&gt;
*三角形数，super-Poulet数&lt;br /&gt;
| 2702 = &lt;br /&gt;
*前94个整数的欧拉函数和&lt;br /&gt;
| 2704 = &lt;br /&gt;
*&amp;lt;math&amp;gt;52^2&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2728 = &lt;br /&gt;
*卡布列克数&lt;br /&gt;
| 2729 = &lt;br /&gt;
*highly cototient number&lt;br /&gt;
| 2731 = &lt;br /&gt;
*[[瓦格斯塔夫质数]]&lt;br /&gt;
| 2736 = &lt;br /&gt;
*八面体数&lt;br /&gt;
| 2741 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2744 = &lt;br /&gt;
*&amp;lt;math&amp;gt;14^3&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2747 = &lt;br /&gt;
*前38个质数和}}&lt;br /&gt;
&lt;br /&gt;
=== 2750至2999 ===&lt;br /&gt;
{{數字性質列表|start=2750|end=2999|use math=yes|white list=2753,2756,2774,2775,2780,2783,2784,2791,2806,2809,2819,2821,2835,2843,2850,2862,2870,2871,2872,2879,2880,2888,2897,2902,2903,2914,2916,2924,2925,2926,2939,2944,2963,2965,2969,2970,2976,2983,2997,2999&lt;br /&gt;
| 2753 = &lt;br /&gt;
*索菲热尔曼质数，普罗斯质数&lt;br /&gt;
| 2756 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2774 = &lt;br /&gt;
*前95个整数的欧拉函数和&lt;br /&gt;
| 2775 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2780 = &lt;br /&gt;
*Mian-Chowla数列成员&lt;br /&gt;
| 2783 = &lt;br /&gt;
*和2784互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2784 = &lt;br /&gt;
*和2783互为[[鲁斯-阿伦数对]]（第一定义）&lt;br /&gt;
| 2791 = &lt;br /&gt;
*立方质数&lt;br /&gt;
| 2806 = &lt;br /&gt;
*中心五边形数，前96个整数的欧拉函数和&lt;br /&gt;
| 2809 = &lt;br /&gt;
*&amp;lt;math&amp;gt;53^2&amp;lt;/math&amp;gt;，中心八边形数&lt;br /&gt;
| 2819 = &lt;br /&gt;
*索菲热尔曼质数，安全素数&lt;br /&gt;
| 2821 = &lt;br /&gt;
*卡迈克尔数&lt;br /&gt;
| 2835 = &lt;br /&gt;
*奇过剩数，十边形数&lt;br /&gt;
| 2843 = &lt;br /&gt;
*中心七边形数&lt;br /&gt;
| 2850 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2862 = &lt;br /&gt;
*普洛尼克数&lt;br /&gt;
| 2870 = &lt;br /&gt;
*正方形底金字塔数&lt;br /&gt;
| 2871 = &lt;br /&gt;
*九边形数&lt;br /&gt;
| 2872 = &lt;br /&gt;
*[[tetranacci数]]&lt;br /&gt;
| 2879 = &lt;br /&gt;
*安全素数&lt;br /&gt;
| 2880 = &lt;br /&gt;
*最小且剛好42個因數的數&lt;br /&gt;
| 2888 = &lt;br /&gt;
*[[阿喀琉斯數]]&lt;br /&gt;
| 2897 = &lt;br /&gt;
*[[马尔可夫数]]&lt;br /&gt;
| 2902 = &lt;br /&gt;
*前97个整数的欧拉函数和&lt;br /&gt;
| 2903 = &lt;br /&gt;
*索菲热尔曼质数，安全素数，平衡质数&lt;br /&gt;
| 2914 = &lt;br /&gt;
*前39个质数和&lt;br /&gt;
| 2916 = &lt;br /&gt;
*&amp;lt;math&amp;gt;54^2&amp;lt;/math&amp;gt;&lt;br /&gt;
| 2924 = &lt;br /&gt;
*和2620互为相亲数&lt;br /&gt;
| 2925 = &lt;br /&gt;
*&amp;#039;&amp;#039;n&amp;#039;&amp;#039;×&amp;#039;&amp;#039;n&amp;#039;&amp;#039;[[幻方]]的[[magic constant]]和&amp;#039;&amp;#039;n&amp;#039;&amp;#039; = 18的[[八皇后问题|&amp;#039;&amp;#039;n&amp;#039;&amp;#039;-皇后问题]]，四面体数，Mian-Chowla数列成员&lt;br /&gt;
| 2926 = &lt;br /&gt;
*三角形数&lt;br /&gt;
| 2939 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2944 = &lt;br /&gt;
*前98个整数的欧拉函数和&lt;br /&gt;
| 2963 = &lt;br /&gt;
*索菲热尔曼质数，安全素数，平衡质数&lt;br /&gt;
| 2965 = &lt;br /&gt;
*greater of 2nd pair of [[Smith number|Smith brothers]]&lt;br /&gt;
| 2969 = &lt;br /&gt;
*索菲热尔曼质数&lt;br /&gt;
| 2970 = &lt;br /&gt;
*[[调和数]]，普洛尼克数&lt;br /&gt;
| 2976 = &lt;br /&gt;
*中心五边形数&lt;br /&gt;
| 2997 = &lt;br /&gt;
*[[chiliagonal数]]&lt;br /&gt;
| 2999 = &lt;br /&gt;
*安全素数}}&lt;br /&gt;
&lt;br /&gt;
== 参见 ==&lt;br /&gt;
* [[千年]]&lt;br /&gt;
* [[2000年]]&lt;br /&gt;
&lt;br /&gt;
[[Category:整数|299E03 2000]]&lt;/div&gt;</summary>
		<author><name>imported&gt;Fu ht</name></author>
	</entry>
</feed>