Numbers 8,700,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

8,000,0008,100,0008,200,0008,300,0008,400,000

8,500,0008,600,0008,700,0008,800,0008,900,000

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8,714,277

[Math.]  142,857×61 = 8,714,277 and 8+714,277 = 714,285, a digit-rotation of 142,857.

 

8,741,816

[Math.]  8,741,816 = (8+7+4+181+6)3 = 2063.

 

8,754,130

[Math.]  A pair of amicable numbers (8754130, 10893230), one of 8 pairs involving a 7-digit and an 8-digit number.

 

8,754,321

[Math.]  Number 08,754,321 misses 2 digits 6 and 9 in 10 digits 0-9:

08,754,321×2 = 17,508,642 misses 2 digits 3 and 9 (modulo 9)

08,754,321×4 = 35,017,284 misses 2 digits 6 and 9 (modulo 9).

 

8,764,321

[Math.]  A prime number. Number 08,764,321 misses 2 digits 5 and 9 in 10 digits 0-9:

08,764,321×5 = 43,821,605 misses 2 digits 7 and 9, (modulo 9)

08,764,321×7 = 61,350,247 misses 2 digits 8 and 9 (modulo 9).

 

8,765,321

[Math.]  A prime number. Number 08,765,321 misses 2 digits 4 and 9 in 10 digits 0-9:

08,765,321×2 = 17,530,642 misses 2 digits 8 and 9 (modulo 9)

08,765,321×4 = 35,061,284 misses 2 digits 7 and 9 (modulo 9).

 

8,765,421

[Math.]  Number 08,765,421 misses 2 digits 3 and 9 in 10 digits 0-9:

08,765,421×2 = 17,530,842 misses 2 digits 6 and 9 (modulo 9)

08,765,421×5 = 43,827,105 misses 2 digits 6 and 9 (modulo 9).

 

8,765,431

[Math.]  Number 08,765,431 misses 2 digits 2 and 9 in 10 digits 0-9:

08,765,431×2 = 17,530,862 misses 2 digits 4 and 9 (modulo 9)

08,765,431×4 = 35,061,724 misses 2 digits 8 and 9 (modulo 9).

 

8,765,432

[Math.]  Number 08,765,432 misses 2 digits 1 and 9 in 10 digits 0-9:

08,765,432×2 = 17,530,864 misses 2 digits 2 and 9 (modulo 9)

08,765,432×4 = 35,061,728 misses 2 digits 4 and 9 (modulo 9)

08,765,432×5 = 43,827,160 misses 2 digits 5 and 9 (modulo 9)

08,765,432×7 = 61,358,024 misses 2 digits 7 and 9 (modulo 9)

08,765,432×8 = 70,123,456 misses 2 digits 8 and 9 (modulo 9).

 

8,769,222

[Math.]  076,923×114 = 8,769,222 and 8+769,222 = 769,230, a digit-rotation of 076,923.

 

8,799,912

[Math.]

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

8712…8712 = 2178…2178×4 & 8712…8712×2178…2178 = 4356…43562

 

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

87912…87912 = 21978…21978×4 & 21978…21978×87912…87912 = 43956…439562

 

(***)   8799912 = 2199978×4 & 2199978×8799912 = 43999562

8799912…8799912 = 2199978…2199978×4 &

2199978…2199978×8799912…8799912 = 4399956…43999562

 

(****)   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.