Numbers 9,800,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

9,000,000 –  9,100,000 –  9,200,000 –  9,300,0009,400,000

9,500,000 –  9,600,000 –  9,700,000 –  9,800,000 9,900,000

All Numbers  &  [100K  &  [1M]  - [2M]  - [3M] - [4M]  - [5M]  - [6M]  - [7M]  - [8M]  -  [9M]   &  [10M]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

9,846,144

[Math.]  076,923×128 = 9,846,144 and 9+846,144 = 846,153, a digit-rotation of 153,846 = 076,923×2.

 

9,854,321

[Math.]  Number 09,854,321 misses 2 digits 6 and 7 in 10 digits 0-9:

09,854,321×2 = 19,708,642 misses 2 digits 3 and 5 (modulo 9)

09,854,321×5 = 49,271,605 misses 2 digits 3 and 8 (modulo 9).

 

9,857,133

[Math.]  142,857×69 = 9,857,133 and 9+857,133 = 857,142, a digit-rotation of 142,857.

 

9,864,321

[Math.]  Number 09,864,321 misses 2 digits 5 and 7 in 10 digits 0-9:

09,864,321×5 = 49,321,605 misses 2 digits 7 and 8 (modulo 9).

 

9,865,321

[Math.]  Number 09,865,321 misses 2 digits 4 and 7 in 10 digits 0-9:

09,865,321×2 = 19,730,642 misses 2 digits 8 and 5 (modulo 9).

 

9,865,421

[Math.]  Number 09,865,421 misses 2 digits 3 and 7 in 10 digits 0-9:

09,865,421×2 = 19,730,842 misses 2 digits 6 and 5 (modulo 9)

09,865,421×5 = 49,327,105 misses 2 digits 6 and 8 (modulo 9).

 

9,865,431

[Math.]  Number 09,865,431 misses 2 digits 2 and 7 in 10 digits 0-9:

09,865,431×2 = 19,730,862 misses 2 digits 4 and 5 (modulo 9).

 

9,865,432

[Math.]  Number 09,865,432 misses 2 digits 1 and 7 in 10 digits 0-9:

09,865,432×2 = 19,730,864 misses 2 digits 2 and 5 (modulo 9)

09,865,432×5 = 49,327,160 misses 2 digits 5 and 8 (modulo 9)

 

9,869,145

[Math.]  Two consecutive sums of consecutive numbers: (largest 7-digit)

45,796+…+46,010 = 46,011+…+46,224 = 9,869,145

 

9,870,000s (separate page)

 

9,892,936

[Math.]  A pair of amicable numbers (9339704, 9892936), the largest pair of 7-digit numbers only.

 

9,899,901

[Math.]

(*)   332×9 = 1089×9 = 9,801 = 992 & 1089×9801 = 10,673,289 = 32672

1089…1089×9 = 9801…9801  & 1089…1089×9801…9801  = 3267…32672

 

(**)  10989×9 = 98901 & 10989×98901 = 1,086,823,089 = 329672

10989…10989×9 = 98901…98901 & 10989…10989×98901...98901 = 32967…329672

 

(***)   1099989×9 = 9899901 & 1099989×9899901 = 32999672

1099989…1099989×9 = 9899901…9899901 &

1099989…1099989×9899901...9899901 = 3299967…32999672

 

(****)  109…989×9 = 989…901 & 109...989×989…901 = 329…9672

 109…989...109…989×9 = 989…901...989…901  &

  109…989…109…989×989…901...989…901 = 329…967…329…9672.