3000 (three thousand) is the natural number following 2999 and preceding 3001. It is the smallest number requiring thirteen letters in English (when "and" is required from 101 forward).
In the novel The Brothers Karamazov by Fyodor Mikhailovich Dostoevsky, a recurring conflict between Fyodor Pavlovich and his eldest son Dmitri Fyodorovich involves the sum of 3000 roubles.
Mr. 3000 is the title of the 2004 movie starring Bernie Mac.
3000 is sometimes used (often with comical intent) to represent a year in the distant future. For example, the events of the television series Futurama take place in 3000.
The number is also used in the title of the comedy series Mystery Science Theater 3000.
The postal code for the downtown core of Melbourne, Australia.
André 3000 is one of the members of OutKast.
3003 – triangular number, only number known to appear eight times in Pascal's triangle; no number is known to appear more than eight times other than 1. (see Singmaster's conjecture)3023 – 84th Sophie Germain prime, 51st safe prime3025 – 552, sum of the cubes of the first ten integers, centered octagonal number, dodecagonal number3045 – sum of the integers 196 to 210 and sum of the integers 211 to 2243046 – centered heptagonal number3052 – decagonal number3059 – centered cube number3063 – perfect totient number3067 - prime number mentioned in a question during a quiz in Little Man Tate, where it was asked what its factors were, and the response was that it has none, since it is indeed Prime.3071 – Thabit number3075 – nonagonal number3078 – 18th pentagonal pyramidal number3080 – pronic number3081 – triangular number, 497th sphenic number3087 – sum of first 40 primes3119 – safe prime3121 – centered square number3125 – 553136 – 562, palindromic in base 3 (110220113), tribonacci number3137 – Proth prime3149 – highly cototient number3155 – member of the Mian–Chowla sequence3160 – triangular number3167 – safe prime3169 – Cuban prime of the form x = y + 13192 – pronic number3203 – safe prime3240 – triangular number3248 – member of a Ruth-Aaron pair with 3249 under second definition, largest number whose factorial is less than 1010000 – hence its factorial is the largest certain advanced computer programs can handle.3249 – 572, palindromic in base 7 (123217), centered octagonal number, member of a Ruth–Aaron pair with 3248 under second definition3256 – centered heptagonal number3266 – sum of first 41 primes, 523rd sphenic number3276 – tetrahedral number3277 – 5th super-Poulet number, decagonal number3281 – octahedral number, centered square number3286 – nonagonal number3299 – 85th Sophie Germain prime3306 – pronic number3307 – balanced prime3313 – balanced prime3321 – triangular number3329 – 86th Sophie Germain prime, Proth prime, member of the Padovan sequence3354 – member of the Mian–Chowla sequence3358 – sum of the squares of the first eleven primes3359 – 87th Sophie Germain prime, highly cototient number3364 – 5823375 – 153, palindromic in base 14 (133114), 15th cube3389 – 88th Sophie Germain prime3403 – triangular number3413 – 89th Sophie Germain prime, sum of the first 5 nn: 3413 = 11 + 22 + 33 + 44 + 553422 – pronic number, 553rd sphenic number, melting point of tungsten in degrees Celsius3435 – a perfect digit-to-digit invariant, equal to the sum of its digits to their own powers (33 + 44 + 33 + 55 = 3435)3439 – magic constant of n×n normal magic square and n-queens problem for n = 19.3445 – centered square number3447 – sum of first 42 primes3449 – 90th Sophie Germain prime3457 – Proth prime3467 – safe prime3469 – Cuban prime of the form x = y + 23473 – centered heptagonal number3481 – 592, centered octagonal number3486 – triangular number3491 – 91st Sophie Germain prime3504 – nonagonal number3510 – decagonal number3511 – largest known Wieferich prime3539 – 92nd Sophie Germain prime3540 – pronic number3569 – highly cototient number3570 – triangular number3571 – 500th prime, Cuban prime of the form x = y + 1, 17th Lucas number, 4th balanced prime of order 4.3591 – member of the Mian–Chowla sequence3593 – 93rd Sophie Germain prime3600 – 602, number of seconds in an hour, called šār or šāru in the sexagesimal system of Ancient Mesopotamia (cf. Saros), 1201-gonal number3610 – 19th pentagonal pyramidal number3613 – centered square number3623 – 94th Sophie Germain prime, safe prime3637 – balanced prime3638 – sum of first 43 primes, 599th sphenic number3654 – tetrahedral number3655 – triangular number, 601st sphenic number3660 – pronic number3684 – 13th Keith number3697 – centered heptagonal number3721 – 612, centered octagonal number3729 – nonagonal number3733 – balanced prime3741 – triangular number, 618th sphenic number3751 – decagonal number3761 – 95th Sophie Germain prime3779 – 96th Sophie Germain prime, safe prime3782 – pronic number, 623rd sphenic number3785 – centered square number3797 – member of the Mian–Chowla sequence3803 – 97th Sophie Germain prime, safe prime3821 – 98th Sophie Germain prime3828 – triangular number3831 – sum of first 44 primes3844 – 6223851 – 99th Sophie Germain prime3863 – 100th Sophie Germain prime3865 – greater of third pair of Smith brothers3888 – longest number when expressed in Roman numerals I, V, X, L, C, D, and M (MMMDCCCLXXXVIII)3889 – Cuban prime of the form x = y + 23894 – octahedral number3906 – pronic number3911 – 101st Sophie Germain prime3916 – triangular number3925 – centered cube number3926 – 12th open meandric number, 654th sphenic number3928 – centered heptagonal number3940 – there are 3940 distinct ways to arrange the 12 flat pentacubes (or 3-D pentominoes) into a 3x4x5 box (not counting rotations and reflections)3947 – safe prime3961 – nonagonal number, centered square number3967 – Carol number3969 – 632, centered octagonal number3989 – highly cototient number3998 – member of the Mian–Chowla sequence3999 – largest number properly expressible using Roman numerals I, V, X, L, C, D, and M (MMMCMXCIX), ignoring vinculum