8000 (عدد)

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۔

انفرادی خصوصیات

عمومی خصوصیات

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 – 
 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 
 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, 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 – 
 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 – ، 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 – 
 8836 – 
 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

حوالہ جات 

ابتدائی حساب
اعداد
صحیح اعداد
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