3000 (عدد)

3000 (عدد) یعنی 3,000 ایک عدد اور ایک علامت ہے۔ کچھ عددی نظاموں میں 2,999 سے بڑا یا زیادہ اور 3,001 سے چھوٹا یا کم ہوتا ہے۔ گنتی میں اسے تین ہزار بولا جاتا ہے۔ اور اس سے پہلے دو ہزار نو سو نینانوے اور اس کے بعد تین ہزار ایک بولا جاتا ہے۔ 

 انفرادی خصوصیات 

 عمومی خصوصیات 

 3001 تا 3999 کے خاص عدد 
 3003 – triangular number, only number known to appear eight times in خیام تکون; no number is known to appear more than eight times other than 1. (see Singmaster's conjecture)
 3023 – 84th Sophie Germain prime, 51st safe prime
 3025 – 55 2, sum of the cubes of the first ten integers, centered octagonal number, Dodecagonal number
 3045 – sum of the integers 196 to 210 and sum of the integers 211 to 224
 3046 – centered heptagonal number
 3052 –decagonal number
 3059 – centered cube number
 3063 – perfect totient number
 3071 – Thabit number
 3075 – nonagonal number
 3078 – 18th pentagonal pyramidal number
 3080 – pronic number
 3081 – triangular number, 497th sphenic number
 3087 – sum of first 40 primes
 3119 – safe prime
 3121 – centered square number
 3125 – 55
 3136 – 562, palindromic in base 3 (110220113), tribonacci number
 3137 – Proth prime
 3149 – highly cototient number
 3155 – member of the Mian–Chowla sequence
 3160 – triangular number
 3167 – safe prime
 3169 – Cuban prime of the form x = y + 1
 3192 – pronic number
 3203 – safe prime
 3240 – triangular number
 3248 – member of a Ruth-Aaron pair with 3249 under second definition, largest number whose عاملیہ is less than 1010000 – hence its factorial is the largest certain advanced computer programs can handle.
 3249 – 572, palindromic in base 7 (123217), centered octagonal number, member of a Ruth–Aaron pair with 3248 under second definition
 3256 – centered heptagonal number
 3266 – sum of first 41 primes, 523rd sphenic number
 3276 – tetrahedral number
 3277 – 5th super-Poulet number, decagonal number
 3281 – octahedral number, centered square number
 3286 – nonagonal number
 3299 – 85th Sophie Germain prime
 3306 – pronic number
 3307 – balanced prime
 3313 – balanced prime
 3321 – triangular number
 3329 – 86th Sophie Germain prime, Proth prime, member of the Padovan sequence
 3354 – member of the Mian–Chowla sequence
 3358 – sum of the squares of the first eleven primes
 3359 – 87th Sophie Germain prime, highly cototient number
 3364 – 582
 3375 – 153, palindromic in base 14 (133114), 15th cube
 3389 – 88th Sophie Germain prime
 3403 – triangular number
 3413 – 89th Sophie Germain prime
 3422 – pronic number, 553rd sphenic number, نقطۂ انجماد of ٹنگسٹن in سیلسیس
 3435 – a perfect digit-to-digit invariant, equal to the sum of its digits to their own powers (33 + 44 + 33 + 55 = 3435)
 3439 – magic constant of n×n normal جادوئی خانے and n-queens problem for n = 19.
 3445 – centered square number
 3447 – sum of first 42 primes
 3449 – 90th Sophie Germain prime
 3457 – Proth prime
 3467 – safe prime
 3469 – Cuban prime of the form x = y + 2
 3473 – centered heptagonal number
 3481 – 592, centered octagonal number
 3486 – triangular number
 3491 – 91st Sophie Germain prime
 3504 – nonagonal number
 3510 – decagonal number
 3511 – largest known Wieferich prime
 3539 – 92nd Sophie Germain prime
 3540 – pronic number
 3569 – highly cototient number
 3570 – triangular number
 3571 – 500th prime, Cuban prime of the form x = y + 1, 17th Lucas number, 4th balanced prime of order 4.
 3591 – member of the Mian–Chowla sequence
 3593 – 93rd Sophie Germain prime
 3600 – 602, number of seconds in an hour, 1201-gonal number
 3610 – 19th pentagonal pyramidal number
 3613 – centered square number
 3623 – 94th Sophie Germain prime, safe prime
 3637 – balanced prime
 3638 – sum of first 43 primes, 599th sphenic number
 3654 – tetrahedral number
 3655 – triangular number, 601st sphenic number
 3660 – pronic number
 3684 – 13th Keith number
 3697 – centered heptagonal number
 3721 – 612, centered octagonal number
 3729 – nonagonal number
 3733 – balanced prime
 3741 – triangular number, 618th sphenic number
 3751 – decagonal number
 3761 – 95th Sophie Germain prime
 3779 – 96th Sophie Germain prime, safe prime
 3782 – pronic number, 623rd sphenic number
 3785 – centered square number
 3797 – member of the Mian–Chowla sequence
 3803 – 97th Sophie Germain prime, safe prime
 3821 – 98th Sophie Germain prime
 3828 – triangular number
 3831 – sum of first 44 primes
 3844 – 622
 3851 – 99th Sophie Germain prime
 3863 – 100th Sophie Germain prime
 3865 – greater of third pair of Smith brothers
 3888 – longest number when expressed in رومن اعدادs I, V, X, L, C, D, and M (MMMDCCCLXXXVIII)
 3889 – Cuban prime of the form x = y + 2
 3894 – octahedral number
 3906 – pronic number
 3911 – 101st Sophie Germain prime
 3916 – triangular number
 3925 – centered cube number
 3926 – 12th open meandric number, 654th sphenic number
 3928 – centered heptagonal number
 3947 – safe prime
 3961 – nonagonal number, centered square number
 3967 – Carol number
 3969 – 632, centered octagonal number
 3989 – highly cototient number
 3998 – member of the Mian–Chowla sequence
 3999 – largest number properly expressible using رومن اعدادs I, V, X, L, C, D, and M (MMMCMXCIX)

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