Numbers 8700-8799

A page of the Numeropedia - the Special Encyclopedia of Numbers

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8,712

[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…912879…912 = 219…978…219…978×4 &

219…978219…978×879...912879...912 = 439…956439…9562.

8,751

[Math.]   Its odd powers end with 8,751. Its even powers end with 0001.

8,753

[Math.]   A prime number.

8753 = 88+7777+555+333.

8,758

[Math.]   8758 = 88+7777+5+888.

8,760

[Calendar] The number of hours in a calendar non-leap (365-day) year.

8,765.8126

[Calendar] The number of hours in a tropical year.

8,766

[Calendar] The average number of hours in a year by the Julian calendar.

8766.15

[Calendar] The number of hours (8766.1526 hours) in a sidereal year.

8,772

[Math.]   8772 = 14+24+34+44+54+64+74+84.

8,778

[Math.]  A triangular number (sum of all integers from 1 to 132): 8778 = 1+2+…+131+132.

8,784

[Calendar] The number of hours in a calendar leap (366-day) year.

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

8,796

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