Compare 1974 vs 1985
| Property | 1974 | 1985 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 71 × 471 | 51 × 3971 |
| Prime factorization | 2 × 3 × 7 × 47 | 5 × 397 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974 | 1, 5, 397, 1985 |
| Number of properties | 0 | 1 |
| Semiprimes | 575th | |
| Roman numberals | MCMLXXIV | MCMLXXXV |
| Base 2 | 111101101102 | 111110000012 |
| Base 3 | 22010103 | 22011123 |
| Base 4 | 1323124 | 1330014 |
| Base 5 | 303445 | 304205 |
| Base 6 | 130506 | 131056 |
| Base 7 | 55207 | 55347 |
| Base 8 | 36668 | 37018 |
| Base 9 | 26339 | 26459 |
| Base 10 | 197410 | 198510 |
| Base 11 | 153511 | 154511 |
| Base 12 | 118612 | 119512 |
| Base 13 | b8b13 | b9913 |
| Base 14 | a1014 | a1b14 |
| Base 15 | 8b915 | 8c515 |
| Base 16 | 7b616 | 7c116 |