2000 (Number)

• In the name of the products Lever 2000 and Grecian 2000, not to mention Windows 2000
• In Star Trek, the registry number of the USS Excelsior, NX-2000 in Star Trek III: The Search for Spock, and NCC-2000 commanded by Hikaru Sulu in Star Trek VI: The Undiscovered Country.

Selected numbers in the range 2001-2999

2001 - sphenic number

2003 - Sophie Germain prime

2016 - triangular number

2017 - Mertens function zero

2024 - tetrahedral number

2025 - sum of the cubes of the first nine integers, 45^2, centered octagonal number

2027 - safe prime

2030 = 21² + 22² + 23² + 24² = 25² + 26² + 27²

2031 - centered pentagonal number

2039 - Sophie Germain prime, safe prime

2047 - super-Poulet number, Woodall number, decagonal number

2048 - power of two

2056 - magic constant of n×n magic square and n-Queens Problem for n = 16.

2063 - Sophie Germain prime, safe prime

2069 - Sophie Germain prime

2070 - pronic number

2080 - triangular number

2093 - Mertens function zero

2095 - Mertens function zero

2096 - Mertens function zero

2097 - Mertens function zero

2099 - Mertens function zero, safe prime

2100 - Mertens function zero

2101 - centered heptagonal number

2109 - square pyramidal number

2113 - Mertens function zero

2116 = 46^2

2117 - Mertens function zero

2119 - Mertens function zero

2120 - Mertens function zero

2122 - Mertens function zero

2125 - nonagonal number

2127 - sum of the first 34 primes

2129 - Sophie Germain prime

2135 - Mertens function zero

2136 - Mertens function zero

2138 - Mertens function zero

2141 - Sophie Germain prime

2145 - triangular number

2162 - pronic number

2171 - Mertens function zero

2172 - Mertens function zero

2176 - pentagonal pyramidal number, centered pentagonal number

2179 - Wedderburn-Etherington number

2187 - vampire number, 3^7

2188 - Motzkin number

2197 = 13^3

2205 - odd abundant number

2207 - safe prime

2208 - Keith number

2209 = 47^2, centered octagonal number

2211 - triangular number

2223 - Kaprekar number

2232 - decagonal number

2255 - octahedral number

2256 - pronic number

2269 - cuban prime

2273 - Sophie Germain prime

2276 - sum of the first 35 primes, centered heptagonal number

2278 - triangular number

2294 - Mertens function zero

2295 - Mertens function zero

2296 - Mertens function zero

2300 - tetrahedral number

2301 - nonagonal number

2304 = 48^2

2306 - Mertens function zero

2309 - primorial prime, Mertens function zero

2310 - 5th primorial

2311 - primorial prime

2321 - Mertens function zero

2322 - Mertens function zero

2326 - centered pentagonal number

2331 - centered cube number

2338 - Mertens function zero

2339 - Sophie Germain prime

2346 - triangular number

2351 - Sophie Germain prime

2352 - pronic number

2357 - Smarandache-Wellin prime

2393 - Sophie Germain prime

2397 - sum of the squares of the first ten primes

2399 - Sophie Germain prime

2400 - perfect score on SAT tests administered after 2005

2401 = 7^4 = 49^2, centered octagonal number

2415 - triangular number

2425 - decagonal number

2427 - sum of the first 36 primes

2437 - cuban prime

2447 - safe prime

2450 - pronic number

2458 - centered heptagonal number

2459 - Sophie Germain prime, safe prime

2465 - magic constant of n×n magic square and n-Queens Problem for n = 17, Carmichael number

2470 - square pyramidal number

2481 - centered pentagonal number

2484 - nonagonal number

2485 - triangular number

2500 = 50^2

2501 - Mertens function zero

2502 - Mertens function zero

2517 - Mertens function zero

2520 - highly composite number; smallest number divisible by all numbers up to ten; Harshad number in several bases

2522 - Mertens function zero

2523 - Mertens function zero

2524 - Mertens function zero

2525 - Mertens function zero

2530 - Mertens function zero

2533 - Mertens function zero

2537 - Mertens function zero

2538 - Mertens function zero

2543 - Sophie Germain prime

2549 - Sophie Germain prime

2550 - pronic number

2556 - triangular number

2567 - Mertens function zero

2568 - Mertens function zero

2570 - Mertens function zero

2579 - safe prime

2580 - Keith number

2584 - Fibonacci number, sum of the first 37 primes

2600 - tetrahedral number

2601 = 51^2

2620 - amicable number with 2924

2626 - decagonal number

2628 - triangular number

2641 - centered pentagonal number

2647 - centered heptagonal number

2652 - pronic number

2674 - nonagonal number

2680 - number of 11-Queens Problem solutions

2689 - Mertens function zero

2693 - Sophie Germain prime

2699 - Sophie Germain prime

2701 - triangular number, super-Poulet number

2704 = 52^2

2728 - Kaprekar number

2736 - octahedral number

2741 - Sophie Germain prime

2744 = 14^3

2747 - sum of the first 38 primes

2753 - Sophie Germain prime

2756 - pronic number

2775 - triangular number

2791 - cuban prime

2806 - centered pentagonal number

2809 = 53^2, centered octagonal number

2819 - Sophie Germain prime, safe prime

2821 - Carmichael number

2835 - odd abundant number, decagonal number

2843 - centered heptagonal number

2850 - triangular number

2862 - pronic number

2870 - square pyramidal number

2871 - nonagonal number

2872 - tetranacci number

2879 - safe prime

2903 - Sophie Germain prime, safe prime

2914 - sum of the first 39 primes

2916 = 54^2

2924 - amicable number with 2620

2925 - magic constant of n×n magic square and n-Queens Problem for n = 18, tetrahedral number

2926 - triangular number

2939 - Sophie Germain prime

2963 - Sophie Germain prime, safe prime

2965 - greater of 2nd pair of Smith brothers

2969 - Sophie Germain prime

2970 - harmonic divisor number, pronic number

2976 - centered pentagonal number

2997 - chiliagonal number

2999 - safe prime

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