8000 (eight thousand) is the natural number following 7999 and preceding 8001.

8000 is the cube of 20, as well as the sum of four consecutive integers cubed, 11³ + 12³ + 13³ + 14³.

The fourteen 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
• 8039 - safe prime
• 8069 - Sophie Germain prime
• 8093 - Sophie Germain prime
• 8100 = 90^2
• 8111 - Sophie Germain prime
• 8117 - balanced prime
• 8119 - octahedral number
• 8125 - pentagonal pyramidal number
• 8128 - perfect number, harmonic divisor number, 127th triangular number, 64th hexagonal number, eighth 292-gonal number, fourth 1356-gonal number
• 8147 - safe prime
• 8189 - highly cototient number
• 8190 - harmonic divisor number
• 8191 - Mersenne prime
• 8192 - power of two
• 8233 - centered heptagonal number
• 8243 - Sophie Germain prime
• 8256 - triangular number
• 8257 - sum of the squares of the first fourteen primes
• 8269 - cuban prime of the form x = y + 1
• 8273 - Sophie Germain prime
• 8281 - sum of the cubes of the first thirteen integers, 91^2, nonagonal number, centered octagonal number
• 8321 - super-Poulet number
• 8326 - decagonal number
• 8361 - Leyland number
• 8385 - triangular number
• 8423 - safe prime
• 8436 - tetrahedral number
• 8464 = 92^2
• 8513 - Sophie Germain prime
• 8515 - triangular number
• 8543 - safe prime
• 8555 - square pyramidal number
• 8576 - centered heptagonal number
• 8625 - enneagonal number
• 8646 - triangular number
• 8649 = 93^2, centered octagonal number
• 8663 - Sophie Germain prime
• 8693 - Sophie Germain prime
• 8695 - decagonal number
• 8699 - safe prime
• 8712 - smallest number that is divisible by its reverse: 8712 = 4×2178 (excluding palindromes and numbers with trailing zeros)
• 8713 - balanced prime
• 8741 - Sophie Germain prime
• 8747 - safe prime, balanced prime
• 8778 - triangular number
• 8783 - safe prime
• 8801 - magic constant of n×n magic square and n-Queens Problem for n = 26.
• 8819 - safe prime
• 8833 - 88^2 + 33^2
• 8836 = 94^2
• 8911 - Carmichael number, triangular number
• 8926 - centered heptagonal number
• 8944 - sum of the cubes of the first seven primes
• 8951 - Sophie Germain prime
• 8963 - safe prime
• 8969 - Sophie Germain prime
• 8976 - enneagonal number

Integers

Nombres 8000 à 8999 | 8000 | 8000 (število) | 8000 | 8000 (số)