Numbers 43,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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43,000

[EECS]  43K(W) is one of standard numerical values for resistors (of tolerance class 5%).

 

43,200

[Calendar]  The number of minutes in the 30-day month.

 

[Measure]  The time (seconds) that the hour hand rotates one full cycle (revolution) on a mechanical clock or watch.

 

[Math.]  Sum (in degrees) of all internal angles of a 242-side polygon.

 

43,210

[Zip]  U.S. Postal Zip Code: Columbus, Ohio 43210.

 

43,261

[Math.]  One of Markov numbers are… 4181, 5741, 6466, 7561, 9077, 10946, 14701, 28657, 33461, 37666, 43261, 51641, 62210, 75025, 96557…

 

43,264

[Math.]  Squares of 2 consecutive even numbers using the same digits: 2062 = 42436 and 2082 = 43264.

 

43,333

[Zip]  U.S. Postal Zip Code: Lewistown, Texas 43333. 

 

43,470

[Math.]  43,470,165,025 = (43470+165025)2 = 208,4952 and 626,480,165,025 = (626480+165025)2 = 791,5052 and 208495+791505 = 1,000,000.

 

43,560

[Math.]  Sum (in degrees) of all internal angles of a 244-side polygon.

 

[Measure]  The number of square feet in an acre.

U.S. customary units for area measures: 1 acre = 160 square rods = 4,840 square yards = 43,560 square feet = 6,272,640 square inches = 4046.8564224 m2 & 1 square mile (1 section) = 640 acres = 2,589,988.11 m2 = 2.59 km2 = 259 hectares & 1 hectare = 2.471 acres = 10,000 m2 & 1 township = 36 square miles.

 

43,681

[Math.]  Five square numbers using the same digits: 1282 = 16,384, 1782 = 31,684, 1912 = 36,481, 1962 = 38,416 and 2092 = 43,681.

 

43,776

[Math.]  2,584,043,776 = 258402+437762 and 7,416,043,776 = 741602+437762, where 74160+25840 = 100,000.

 

43,867

[Math.]  A prime number. The numerator of the 18th Bernoulli number: B18 = 43867/798.

 

[Math.]  The infinite sum Sn(1/n18) = p18×43867/38979295480125 = z(18), where n runs over all positive integers and z(s) is the Riemann zeta function over complex variable s.

 

43,902

[Math.]  439022 = 1,927,385,604, a square number using each of 10 digits 0-9 once. (The 15th of 87 such numbers).

 

43,920

Math.]  Two multiples of number 8784, 8784×2 = 17,568 and 8784×5 = 43,920, use each of 10 digits 0-9 once.

 

43,956

[Math.] 

(*)   8712 = 2178×4 & 8712×2178 = 18,974,736 = 43562 (= 664).

87128712 = 21782178×4 & 87128712×21782178 = 435643562

 

(**)   87912 = 21978×4 & 21978×87912 = 1,932,129,936  = 439562

8791287912 = 21978…21978×4 & 21978…21978×87912…87912 = 43956…43956

 

(***)   879912 = 219978×4 & 219978×879912 = 193,561,281,936 = 4399562

879912879912 = 219978219978×4 &

219978219978×879912879912 = 4399564399562

 

(****)   879…912 = 219…978×4 & 219…978×879…912 = 439…9562

879…912…879…912 = 219…978…219…978×4 &

            219...978...219...978×879...912...879...912 = 439...956...439...9562.

 

43,980

[Math.]  Two multiples of number 8796, 8796×5 = 43,980 and 8796×7 = 61,572, use each of 10 digits 0-9 once.

 

43nnn

[Zip]  U.S. Postal Zip Codes of Ohio: 43nnn-45nnn.