8,317

[Library]  ISBN-0-8317 is the International Standard Book Number for books published by Gallery Books, an imprint of W. H. Smith Publishers.

 

[Math.]  A prime number.

 

8,361

[Math.]  Each ratio 57429/6381 = 58239/6471 = 75249/8361 = 9, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #9.

 

8,362

[Library]  ISBN-0-8362 is the International Standard Book Number for books published by Andrews and McMeel (Universal Press Syndicate). Also, Andrews McMeel Publishing: 7407.

 

8,363

[Math.]  A prime number.  

 

[Math.]  The number of 5-digit prime numbers (from 10,007 to 99,991).

 

8,379

[Math.]  Two multiples of number 8379, 8379×5 = 41,895 and 8379×8 = 67,032, use each of 10 digits 0-9 once.

 

8,385

[Math.]  A triangular number (sum of all integers from 1 to 129): 8385 = 1+2+…+128+129.

 

8,389

[Math.]  A prime number, formed by 2 consecutive prime numbers 83 and 89.

 

8,394

[Math.]  The ratio 67152/8394 = 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.