9,600

[Tech.]  One of standardized baud rate (bits per second) in electronic data transmissions.

 

9,615

[Math.]  96153 = 888,889,683,375.

 

9,625

[Math.]  96252 = 92,640,6252. (Sequence of numbers 9…9625).

 

9,627

[Math.]  Each ratio 48135/9627 = 5, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #5.

 

9,629

[Math.]  A prime number.

Two multiples of number 9629, 9629×2 = 19,258 and 9629×7 = 67,403, use each of 10 digits 0-9 once.

 

9,653

[Math.]  9653 = 99+666+5555+3333.

 

9,658

 [Math.]  9658 = 99+666+5+8888.

 

9,689

[Math.]  A prime number.  A Mersenne exponent: 29689–1 is the 21st Mersenne prime number. (The only known Mersenne exponent whose both ends are the same digit, 9).