9,403

[Math.]   The two equalities 65821/9403 = 7 = 28651/4093 use all 10 digits 0-9 once in each equality.

 

9,412

[Math.]   5,882,353 = 5882+23532 and 94,122,353 = 94122+23532, where 9412+588 = 10,000. 

 

9,413

[Math.]   A prime number.  

94133 = 834,034,807,997 has each of its digits occurring twice. 

 

9,416

[Math.]   The ratio 75328/9416 = 8, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #8.

 

9,421

[Math.]   A prime number.

The ratio 75368/9421 = 8, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #8.

 

9,426

[Math.]   Two multiples of number 9426, 9426×5 = 47,130 and 9426×7 = 65,982, use each of 10 digits 0-9 once.

 

9,444

[Math.]   94442 = 89,189,136.

 

9,450

[Math.]   The infinite sum Sn(1/n8) = p8/9450 = z(8), where n runs over all positive integers and z(s) is the Riemann zeta function over complex variable s.

 

9,453

[Math.]   A triangular number (sum of all integers from 1 to 137): 9453 = 1+2+…+136+137.

 

9,455

[Math.]   A pyramidal number (sum of all squares of integers from 1 to 30): 9,455 = 12+22+…+292+302.

 

9,486

[Math.]  Two multiples of number 4743, 4743×2 = 9486 and 4743×5 = 23,715, use each of 9 digits 1-9 once.