8000 (number)

Selected numbers in the range 8001–8999

8001 to 8099

• 8001 – triangular number
• 8002 – Mertens function zero
• 8011 – Mertens function zero, super-prime
• 8012 – Mertens function zero
• 8017 – Mertens function zero
• 8021 – Mertens function zero
• 8039 – safe prime
• 8059 – super-prime
• 8069 – Sophie Germain prime
• 8093 – Sophie Germain prime

  8100 to 8199

• 8100 = 90²
• 8101 – super-prime
• 8111 – Sophie Germain prime
• 8117 – super-prime, balanced prime
• 8119 – octahedral number; 8119/5741 ≈ √2
• 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 = 2¹³

  8200 to 8299

• 8208 – base 10 narcissistic number as 8⁴ + 2⁴ + 0⁴ + 8⁴ = 8208
• 8219 – twin prime with 8221
• 8221 – super-prime, twin prime with 8219
• 8233 – super-prime, 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 = 91², sum of the cubes of the first thirteen integers, nonagonal number, centered octagonal number
• 8287 – super-prime

  8300 to 8399

• 8321 – super-Poulet number
• 8326 – decagonal number
• 8345 - smallest pandigital number in base 6
• 8361 – Leyland number
• 8363 – prime number, number of prime numbers having five digits
• 8377 – super-prime
• 8385 – triangular number
• 8389 – super-prime, twin prime

  8400 to 8499

• 8423 – safe prime
• 8436 – tetrahedral number
• 8437 - star number
• 8464 = 92²

  8500 to 8599

• 8513 – Sophie Germain prime, super-prime
• 8515 – triangular number
• 8521 – sexy prime with 8527
• 8527 – super-prime, sexy prime with 8521
• 8543 – safe prime
• 8555 – square pyramidal number
• 8558 – Large Schröder number
• 8576 – centered heptagonal number
• 8581 – super-prime

  8600 to 8699

• 8625 – nonagonal number
• 8646 – triangular number
• 8649 = 93², centered octagonal number
• 8658 - sum of the first four perfect numbers and the product of the culturally significant 666 and 13
• 8663 – Sophie Germain prime
• 8693 – Sophie Germain prime
• 8695 – decagonal number
• 8699 – safe prime

  8700 to 8799

• 8712 – smallest number that is divisible by its reverse: 8712 = 4 × 2178
• 8713 – balanced prime
• 8719 – super-prime
• 8741 – Sophie Germain prime
• 8747 – safe prime, balanced prime, super-prime
• 8748 – 3-smooth number
• 8751 – perfect totient number
• 8760 - the number of hours in a non-leap year; 365 × 24
• 8761 – super-prime
• 8778 – triangular number
• 8783 – safe prime
• 8784 - the number of hours in a leap year; 366 × 24

  8800 to 8899

• 8801 – magic constant of n × n normal magic square and n-Queens Problem for n = 26.
• 8807 – super-prime, sum of eleven consecutive primes
• 8819 – safe prime
• 8833 = 88² + 33²
• 8836 = 94²
• 8839 – sum of twenty-three consecutive primes
• 8849 – super-prime
• 8855 – member of a Ruth-Aaron pair with 8856
• 8856 – member of a Ruth-Aaron pair with 8855
• 8888 - repdigit
• 8893 - star prime

  8900 to 8999

• 8911 – Carmichael number, triangular number
• 8923 – super-prime
• 8926 – centered heptagonal number
• 8933 – the 1,111th prime number
• 8944 – sum of the cubes of the first seven primes
• 8951 – Sophie Germain prime
• 8963 – safe prime
• 8964 – number referring to the 1989 Tiananmen Square Protests
• 8969 – Sophie Germain prime
• 8976 – enneagonal number
• 8999 – super-prime

  Prime numbers