8000 (عدد)

سانچہ:Infobox number 8000 (عدد) یعنی 8,000 ایک عدد اور ایک علامت ہے۔ کچھ عددی نظاموں میں 7,999 سے بڑا یا زیادہ اور 8,001 سے چھوٹا یا کم ہوتا ہے۔ گنتی میں اسے آٹھ ہزار بولا جاتا ہے۔ اور اس سے پہلے سات ہزار نو سو نینانوے اور اس کے بعد آٹھ ہزار ایک بولا جاتا ہے۔

8001 تا 8999 کے خاص اعداد

• 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 – کامل عدد, 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 – مرسن مفرد عدد
• 8192 – power of two
• 8208 – base 10 narcissistic number as $8^4+2^4+0^4+8^4=8208$
• 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 – $91^2$، sum of the cubes of the first thirteen integers, 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
• 8751 – perfect totient number
• 8760 - the number of hours in a non-leap year; 365 × 24
• 8778 – triangular number
• 8783 – safe prime
• 8784 - the number of hours in a leap year; 366 × 24
• 8801 – magic constant of n×n normal جادوئی خانے and n-Queens Problem for n = 26.
• 8819 – safe prime
• 8833 – $88^2+33^2$
• 8836 – $94^2$
• 8855 – member of a Ruth-Aaron pair (first definition) with 8856
• 8856 – member of a Ruth-Aaron pair (first definition) with 8855
• 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