2000 (number) Guide, Meaning , Facts, Information and Description
Two thousand (2000) is the natural number following 1999 and preceding 2001.
| 2000 | |
|---|---|
| Cardinal | Two thousand |
| Ordinal | Two thousandth |
| Factorization | |
| Roman numeral | MM |
| Binary | 11111010000 |
| Hexadecimal | 7D0 |
See also: millennium, year 2000 AD, Y2K.
Two thousand is the highest number expressible using only two unmodified characters in roman numerals (MM).
Two thousand is also:
- In the name of the products Lever 2000 and Grecian 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
;2030 = 21² + 22² + 23² + 24² = 25² + 26² + 27²
;2031 - centered pentagonal number
;2039 - Sophie Germain 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
;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
;2100 - Mertens function zero
;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
;2208 - Keith number
;2209 = 47^2
;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
;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
;2401 = 7^4 = 49^2
;2415 - triangular number
;2425 - decagonal number
;2427 - sum of the first 36 primes
;2437 - cuban prime
;2450 - pronic number
;2459 - Sophie Germain 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
;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
;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
;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
;2819 - Sophie Germain prime
;2821 - Carmichael number
;2835 - odd abundant number, decagonal number
;2850 - triangular number
;2862 - pronic number
;2870 - square pyramidal number
;2871 - nonagonal number
;2872 - tetranacci number
;2903 - Sophie Germain 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
;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
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