4000 (عدد)

4000 (عدد) یعنی 4,000 ایک عدد اور ایک علامت ہے۔ کچھ عددی نظاموں میں 3,999 سے بڑا یا زیادہ اور 4,001 سے چھوٹا یا کم ہوتا ہے۔ گنتی میں اسے چار ہزار بولا جاتا ہے۔ اور اس سے پہلے تین ہزار نو سو نینانوے اور اس کے بعد چار ہزار ایک بولا جاتا ہے۔

انفرادی خصوصیات

عمومی خصوصیات

4001 تا 4999 کے خاص اعداد 
 4005 – triangular number
 4007 – safe prime
 4010 – magic constant of n×n normal جادوئی خانے and n-queens problem for n = 20.
 4013 – balanced prime
 4019 – Sophie Germain prime
 4028 – sum of the first 45 primes
 4030 – third weird number
 4031 – sum of the cubes of the first six primes
 4032 – pronic number
 4033 – sixth super-Poulet number; strong pseudoprime in base 2
 4060 – tetrahedral number
 4073 – Sophie Germain prime
 4079 – safe prime
 4092 - an occasional glitch in the game The Legend of Zelda: Ocarina of Time causes the Gossip Stones to say this number
 4095 – triangular number, odd زائد عدد, مرسن مفرد عدد
 4096 – power of two ; ; 16th cube; smallest number with exactly 13 divisors; a superperfect number
 4104 –  (taxicab number)
 4127 – safe prime
 4139 – safe prime
 4140 – Bell number
 4141 – centered square number
 4147 – smallest گول عدد in duodecimal
 4160 – pronic number
 4166 – centered heptagonal number, 7! − 6! − 5! − 4! − 3! − 2! − 1! − 0!
 4167 – 7! − 6! − 5! − 4! − 3! − 2! − 1!
 4168 – 7! − 6! − 5! − 4! − 3! − 2!
 4170 – 7! − 6! − 5! − 4! − 3!
 4176 – 7! − 6! − 5! − 4!
 4181 – Fibonacci number, Markov number
 4186 – triangular number
 4187 – factor of R13. Also record number of wickets taken in فرسٹ کلاس کرکٹ by Wilfred Rhodes.
 4199 – highly cototient number, product of three consecutive primes
 4200 – nonagonal number, pentagonal pyramidal number, 7! − 6! − 5!
 4210 – 11th semi-meandric number
 4211 – Sophie Germain prime
 4219 – cuban prime of the form x = y + 1
 4223 – Kynea number
 4225 – ، centered octagonal number
 4227 – sum of the first 46 primes
 4240 – Leyland number
 4257 – decagonal number
 4259 – safe prime
 4271 – Sophie Germain prime
 4278 – triangular number
 4283 – safe prime
 4289 – highly cototient number
 4290 – pronic number
 4320 – 7! − 6!
 4324 – 23rd square pyramidal number
 4325 – centered square number
 4349 – Sophie Germain prime
 4356 – ، sum of the cubes of the first eleven integers
 4359 – perfect totient number
 4369 – seventh super-Poulet number
 4371 – triangular number
 4373 – Sophie Germain prime
 4375 – perfect totient number (the smallest not divisible by 3)
 4391 – Sophie Germain prime
 4397 – Year of دمدار سیارہ ہیلے- بوپ's return, a prime number
 4400 – the number of missing persons in the sci-fi show The 4400
 4409 – Sophie Germain prime, highly cototient number, balanced prime
 4411 – centered heptagonal number
 4421 – alternating factorial
 4422 – pronic number
 4438 – sum of the first 47 primes
 4446 – nonagonal number
 4447 – cuban prime of the form x = y + 1
 4457 – balanced prime
 4465 – triangular number
 4481 – Sophie Germain prime
 4489 – ، centered octagonal number
 4495 – tetrahedral number
 4503 – largest number not the sum of four or fewer squares of composites
 4505 – fifth Zeisel number
 4513 – centered square number
 4522 – decagonal number
 4547 – safe prime
 4556 – pronic number
 4560 – triangular number
 4579 – octahedral number
 4597 – balanced prime
 4607 – Woodall number
 4619 – highly cototient number
 4624 – 
 4641 – magic constant of n×n normal جادوئی خانے and n-queens problem for n = 21.
 4656 – triangular number
 4657 – balanced prime
 4661 – sum of the first 48 primes
 4663 – centered heptagonal number
 4679 – safe prime
 4681 – eighth super-Poulet number
 4691 – balanced prime
 4692 – pronic number
 4699 – nonagonal number
 4703 – safe prime
 4705 – ، centered square number
 4727 – sum of the squares of the first twelve primes
 4733 – Sophie Germain prime
 4753 – triangular number
 4761 – ، centered octagonal number
 4787 – safe prime
 4788 – 14th Keith number
 4793 – Sophie Germain prime
 4795 – decagonal number
 4799 – safe prime
 4801 – cuban prime of the form x = y + 2, smallest prime with a composite sum of digits in base 7
 4830 – pronic number
 4851 – triangular number, pentagonal pyramidal number
 4862 – کیٹیلان عدد
 4871 – Sophie Germain prime
 4879 – 11th Kaprekar number
 4888 – sum of the first 49 primes
 4900 – ، the only square-pyramidal square other than 1
 4901 – centered square number
 4913 – 17th cube
 4919 – Sophie Germain prime, safe prime
 4922 – centered heptagonal number
 4941 – centered cube number
 4943 – Sophie Germain prime
 4950 – triangular number, 12th Kaprekar number
 4959 – nonagonal number
 4960 – tetrahedral number; greater of fourth pair of Smith brothers
 4970 – pronic number
 4991 – Lucas–Carmichael number
 4993 – balanced prime

حوالہ جات 

ابتدائی حساب
اعداد
صحیح اعداد