Compare 1977 vs 1988
| Property | 1977 | 1988 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 6591 | 22 × 71 × 711 |
| Prime factorization | 3 × 659 | 2 × 2 × 7 × 71 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 659, 1977 | 1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988 |
| Number of properties | 1 | 0 |
| Semiprimes | 571st | |
| Roman numberals | MCMLXXVII | MCMLXXXVIII |
| Base 2 | 111101110012 | 111110001002 |
| Base 3 | 22010203 | 22011223 |
| Base 4 | 1323214 | 1330104 |
| Base 5 | 304025 | 304235 |
| Base 6 | 130536 | 131126 |
| Base 7 | 55237 | 55407 |
| Base 8 | 36718 | 37048 |
| Base 9 | 26369 | 26489 |
| Base 10 | 197710 | 198810 |
| Base 11 | 153811 | 154811 |
| Base 12 | 118912 | 119812 |
| Base 13 | b9113 | b9c13 |
| Base 14 | a1314 | a2014 |
| Base 15 | 8bc15 | 8c815 |
| Base 16 | 7b916 | 7c416 |