Compare 1965 vs 1977
| Property | 1965 | 1977 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 51 × 1311 | 31 × 6591 |
| Prime factorization | 3 × 5 × 131 | 3 × 659 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 5, 15, 131, 393, 655, 1965 | 1, 3, 659, 1977 |
| Number of properties | 0 | 1 |
| Semiprimes | 571st | |
| Roman numberals | MCMLXV | MCMLXXVII |
| Base 2 | 111101011012 | 111101110012 |
| Base 3 | 22002103 | 22010203 |
| Base 4 | 1322314 | 1323214 |
| Base 5 | 303305 | 304025 |
| Base 6 | 130336 | 130536 |
| Base 7 | 55057 | 55237 |
| Base 8 | 36558 | 36718 |
| Base 9 | 26239 | 26369 |
| Base 10 | 196510 | 197710 |
| Base 11 | 152711 | 153811 |
| Base 12 | 117912 | 118912 |
| Base 13 | b8213 | b9113 |
| Base 14 | a0514 | a1314 |
| Base 15 | 8b015 | 8bc15 |
| Base 16 | 7ad16 | 7b916 |