Compare 1978 vs 1988
| Property | 1978 | 1988 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 21 × 231 × 431 | 22 × 71 × 711 |
| Prime factorization | 2 × 23 × 43 | 2 × 2 × 7 × 71 |
| Divisors count | 8 | 12 |
| Divisors | 1, 2, 23, 43, 46, 86, 989, 1978 | 1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMLXXVIII | MCMLXXXVIII |
| Base 2 | 111101110102 | 111110001002 |
| Base 3 | 22010213 | 22011223 |
| Base 4 | 1323224 | 1330104 |
| Base 5 | 304035 | 304235 |
| Base 6 | 130546 | 131126 |
| Base 7 | 55247 | 55407 |
| Base 8 | 36728 | 37048 |
| Base 9 | 26379 | 26489 |
| Base 10 | 197810 | 198810 |
| Base 11 | 153911 | 154811 |
| Base 12 | 118a12 | 119812 |
| Base 13 | b9213 | b9c13 |
| Base 14 | a1414 | a2014 |
| Base 15 | 8bd15 | 8c815 |
| Base 16 | 7ba16 | 7c416 |