Numbers 980,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

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 980,100

[Math.]   (Sequence of numbers (10n–10m, n > 2m)

980,100 = (980+10+0)2 = 9902.

 

[Math.]  Sum of the first 44 cube numbers:

13+23+…+433+443 = 980,100 = (1+2+…+43+44)2 = 9902.

 

[Math.]  Sum (in degrees) of all internal angles of a 5447-side polygon.

 

980,984

[Math.]  A pair of amicable numbers (898216, 980984), the largest pair of 6-digit numbers only.

 

982,081

[Math.]  982,081 = (982+0+8+1)2 = 9912.

 

983,055

[Math.]  A regular polygon with this odd number (product of Fermat prime numbers) of sides is constructible by using only straightedge and compass. 983,055 = 3´5´65,537.

 

984,321 

[Math.]  Number 0,984,321 misses 3 digits 5, 6 and 7 in 10 digits 0-9:

0,984,321×5 = 4,921,605 misses 3 digits 7, 3 and 8 (modulo 9)

 

985,050

[Math.]  Two consecutive sums of consecutive numbers: (largest 6-digit)

9801+…+9900 = 9901+…+9999 = 985,050.   

 

985,321 

[Math.]  Number 0,985,321 misses 3 digits 4, 6 and 7 in 10 digits 0-9:

0,985,321×2 = 1,970,642 misses 3 digits 8, 3 and 5 (modulo 9).

 

985,421 

[Math.]  Number 0,985,421 misses 3 digits 3, 6 and 7 in 10 digits 0-9:

0,985,421×2 = 1,970,842 misses 3 digits 6, 3 and 5 (modulo 9)

0,985,421×5 = 4,927,105 misses 3 digits 6, 3 and 8 (modulo 9).

 

985,431  

[Math.]  Number 0,985,431 misses 3 digits 2, 6 and 7 in 10 digits 0-9:

0,985,431×2 = 1,970,862 misses 3 digits 4, 3 and 5 (modulo 9).

985,432 

[Math.]  Number 0,985,432 misses 3 digits 1, 6 and 7 in 10 digits 0-9:

0,985,432×2 = 1,970,864 misses 3 digits 2, 3 and 5 (modulo 9)

0,985,432×5 = 4,927,160 misses 3 digits 5, 3 and 8 (modulo 9)

 

986,321

[Math.] Number 0,986,321 misses 3 digits 4, 5 and 7 in 10 digits 1-9.

0,986,321×5 = 4,931,605 misses 3 digits 2, 7 and 8 (modulo 9).

 

986,421

[Math.]  Number 0,986,421 misses 3 digits 3, 5 and 7 in 10 digits 0-9:

0,986,421×5 = 4,932,105 misses 3 digits 5, 7 and 8 (modulo 9).

 

986,432

[Math.]  Number 0,986,432 misses 3 digits 1, 5 and 7 in 10 digits 0-9:

0,986,432×5 = 4,932,160 misses 3 digits 5, 7 and 8 (modulo 9)

 

986,521

[Math.]  Number 0,986,521 misses 3 digits 3, 4 and 7 in 10 digits 0-9:

0,986,521×2 = 1,973,042 misses 3 digits 6, 8 and 5 (modulo 9)

 

986,531

[Math.]  Number 0,986,531 misses 3 digits 2, 4 and 7 in 10 digits 0-9:

0,986,531×2 = 1,973,062 misses 3 digits 4, 8 and 5 (modulo 9).

 

986,532

[Math.] Number 0,986,532 misses 3 digits 1, 4 and 7 in 10 digits 0-9:

0,986,532×2 = 1,973,064 misses 3 digits 2, 8 and 5 (modulo 9)

 

986,541

[Math.]  Number 0,986,541 misses 3 digits 2, 3 and 7 in 10 digits 0-9:

0,986,541×2 = 1,973,082 misses 3 digits 4, 6 and 5 (modulo 9)

0,986,541×5 = 4,932,705 misses 3 digits 1, 6 and 8 (modulo).

 

986,542

[Math.] Number 0,986,542 misses 3 digits 1, 3 and 7 in 10 digits 0-9:

0,986,542×2 = 1,973,084 misses 3 digits 2, 6 and 5 (modulo 9)

0,986,542×5 = 4,932,710 misses 3 digits 5, 6 and 8 (modulo 9).

 

986,543

[Math.]  A prime number. 

Number 0,986,543 misses 3 digits 1, 2 and 7 in 10 digits 0-9:

0,986,543×2 = 1,973,086 misses 3 digits 2, 4 and 5 (modulo 9).

 

987,000s--998,000s--999,000s (separate page)