Compare 1971 vs 1983
| Property | 1971 | 1983 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 33 × 731 | 31 × 6611 |
| Prime factorization | 3 × 3 × 3 × 73 | 3 × 661 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 9, 27, 73, 219, 657, 1971 | 1, 3, 661, 1983 |
| Number of properties | 0 | 1 |
| Semiprimes | 574th | |
| Roman numberals | MCMLXXI | MCMLXXXIII |
| Base 2 | 111101100112 | 111101111112 |
| Base 3 | 22010003 | 22011103 |
| Base 4 | 1323034 | 1323334 |
| Base 5 | 303415 | 304135 |
| Base 6 | 130436 | 131036 |
| Base 7 | 55147 | 55327 |
| Base 8 | 36638 | 36778 |
| Base 9 | 26309 | 26439 |
| Base 10 | 197110 | 198310 |
| Base 11 | 153211 | 154311 |
| Base 12 | 118312 | 119312 |
| Base 13 | b8813 | b9713 |
| Base 14 | a0b14 | a1914 |
| Base 15 | 8b615 | 8c315 |
| Base 16 | 7b316 | 7bf16 |