Compare 1947 vs 1957
| Property | 1947 | 1957 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 111 × 591 | 191 × 1031 |
| Prime factorization | 3 × 11 × 59 | 19 × 103 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 11, 33, 59, 177, 649, 1947 | 1, 19, 103, 1957 |
| Number of properties | 0 | 1 |
| Semiprimes | 564th | |
| Roman numberals | MCMXLVII | MCMLVII |
| Base 2 | 111100110112 | 111101001012 |
| Base 3 | 22000103 | 22001113 |
| Base 4 | 1321234 | 1322114 |
| Base 5 | 302425 | 303125 |
| Base 6 | 130036 | 130216 |
| Base 7 | 54517 | 54647 |
| Base 8 | 36338 | 36458 |
| Base 9 | 26039 | 26149 |
| Base 10 | 194710 | 195710 |
| Base 11 | 151011 | 151a11 |
| Base 12 | 116312 | 117112 |
| Base 13 | b6a13 | b7713 |
| Base 14 | 9d114 | 9db14 |
| Base 15 | 89c15 | 8a715 |
| Base 16 | 79b16 | 7a516 |