Compare 1971 vs 1977
| Property | 1971 | 1977 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 33 × 731 | 31 × 6591 |
| Prime factorization | 3 × 3 × 3 × 73 | 3 × 659 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 9, 27, 73, 219, 657, 1971 | 1, 3, 659, 1977 |
| Number of properties | 0 | 1 |
| Semiprimes | 571st | |
| Roman numberals | MCMLXXI | MCMLXXVII |
| Base 2 | 111101100112 | 111101110012 |
| Base 3 | 22010003 | 22010203 |
| Base 4 | 1323034 | 1323214 |
| Base 5 | 303415 | 304025 |
| Base 6 | 130436 | 130536 |
| Base 7 | 55147 | 55237 |
| Base 8 | 36638 | 36718 |
| Base 9 | 26309 | 26369 |
| Base 10 | 197110 | 197710 |
| Base 11 | 153211 | 153811 |
| Base 12 | 118312 | 118912 |
| Base 13 | b8813 | b9113 |
| Base 14 | a0b14 | a1314 |
| Base 15 | 8b615 | 8bc15 |
| Base 16 | 7b316 | 7b916 |