The smallest composite number is 146 decimal digits (L1536)
The largest composite number is 2078 digits (F9941)

The number of composites for

         n < 1,000 is 0
1,000 <= n < 2,000 is 629
2,000 <= n < 3,000 is 1146
3,000 <= n < 4,000 is 1331
4,000 <= n < 5,000 is 1414
5,000 <= n < 6,000 is 1447
6,000 <= n < 7,000 is 1495
7,000 <= n < 8,000 is 1510
8,000 <= n < 9,000 is 1510
9,000 <= n < 10,000 is 1515