Home > 8000 (number)

8000 is the natural number following 7999 and preceding 8001.

It is 20³, as well as the sum of three consecutive integers cubed, 11³ + 12³ + 13³ + 14³.

The 14 tallest mountains on Earth, which exceed 8000 meters in height, are sometimes referred to as eight-thousanders.

Selected numbers in the range 8001 - 8999

8001 - triangular number

8002 - Mertens function zero

8011 - Mertens function zero

8012 - Mertens function zero

8017 - Mertens function zero

8021 - Mertens function zero

8069 - Sophie Germain prime

8093 - Sophie Germain prime

8111 - Sophie Germain prime

8119 - octahedral number

8125 - pentagonal pyramidal number

8128 - perfect number, harmonic divisor numberA harmonic divisor number or Ore number is a number whose divisors, averaged in a harmonic mean, results in an integer. The first few harmonic divisor numbers are 1, 6, 28, 140, 270, 496, 672, 1638, 2970, 6200, 8128, 8190 Three of these listed are also pe, triangular number

8190 - harmonic divisor number

8191 - Mersenne primeIn mathematics, a Mersenne prime is a prime number that is one less than a power of two. For example, 3 4 − 1 22 − 1 is a Mersenne prime; so is 7 8 − 1 23 − 1. On the other hand, 15 16 − 1 24 − 1, for example, is not a

8192 - power of twoIn mathematics, a power of two is any of the nonnegative integer powers of the number two; in other words, two times itself a certain number of times. Note that one is a power (the zeroth power) of two. Written in binary, a power of two always has the for

8243 - Sophie Germain prime

8256 - triangular number

8257 - sum of the squares of the first fourteen primes

8269 - cuban primeA cuban prime is a prime number that is a solution to one of two different specific equations involving third powers of x and y''. The first of these equations is and the first few cuban primes from this equation are 7, 19, 37, 61, 127, 271, 331, 397, 547 of the form x = y + 1

8273 - Sophie Germain prime

8281 - sum of the cubes of the first thirteen integers, nonagonal numberA nonagonal number or enneagonal number is a figurate number that represents a nonagon. The nonagonal number for n is given by the formula: The first few nonagonal numbers are:

1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396, 474, 559, 651, 750, 856, 969

8321 - super-Poulet numberA super-Poulet number is a Poulet number whose every divisor d divides 2''d 2. For example 341 is a super-Poulet number: it has positive divisors {1, 11, 31, 341} and we have:

(211 2) / 11 2046 / 11 186 :(231 2) / 31 2147483646 / 31 69273666 :(2341 2) /

8326 - decagonal numberA decagonal number is a figurate number that represents a decagon. The decagonal number for n is given by the formula 4''n''2 3''n with n > 0. The first few decagonal numbers are 1, 10, 27, 52, 85, 126, 175, 232, 297, 370, 451, 540, 637, 742, 855, 976, 11

8385 - triangular number

8436 - tetrahedral numberA tetrahedral number or triangular pyramidal number is a figurate number that represents a pyramid with a base and three sides, that is, a tetrahedron. The tetrahedral number for n is the sum of the first n triangular numbers added up. The first few tetra

8513 - Sophie Germain prime

8515 - triangular number

8555 - square pyramidal number

8625 - nonagonal number

8646 - triangular number

8663 - Sophie Germain prime

8693 - Sophie Germain prime

8695 - decagonal number

8741 - Sophie Germain prime

8778 - triangular number

8833 - 88^2 + 33^2

8911 - Carmichael number, triangular number

8944 - sum of the cubes of the first seven primes

8951 - Sophie Germain prime

8969 - Sophie Germain prime

8976 - nonagonal number