Compare 1998 vs 2008
| Property | 1998 | 2008 | 
|---|---|---|
| Type | composite number | composite number | 
| Unique factors | 3 | 2 | 
| Total factors | 5 | 4 | 
| Prime factorization | 21 × 33 × 371 | 23 × 2511 | 
| Prime factorization | 2 × 3 × 3 × 3 × 37 | 2 × 2 × 2 × 251 | 
| Divisors count | 16 | 8 | 
| Divisors | 1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998 | 1, 2, 4, 8, 251, 502, 1004, 2008 | 
| Number of properties | 0 | 0 | 
| Roman numberals | MCMXCVIII | MMVIII | 
| Base 2 | 111110011102 | 111110110002 | 
| Base 3 | 22020003 | 22021013 | 
| Base 4 | 1330324 | 1331204 | 
| Base 5 | 304435 | 310135 | 
| Base 6 | 131306 | 131446 | 
| Base 7 | 55537 | 55667 | 
| Base 8 | 37168 | 37308 | 
| Base 9 | 26609 | 26719 | 
| Base 10 | 199810 | 200810 | 
| Base 11 | 155711 | 156611 | 
| Base 12 | 11a612 | 11b412 | 
| Base 13 | ba913 | bb613 | 
| Base 14 | a2a14 | a3614 | 
| Base 15 | 8d315 | 8dd15 | 
| Base 16 | 7ce16 | 7d816 |