Compare 1958 vs 1961
| Property | 1958 | 1961 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 111 × 891 | 371 × 531 |
| Prime factorization | 2 × 11 × 89 | 37 × 53 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 11, 22, 89, 178, 979, 1958 | 1, 37, 53, 1961 |
| Number of properties | 0 | 1 |
| Semiprimes | 566th | |
| Roman numberals | MCMLVIII | MCMLXI |
| Base 2 | 111101001102 | 111101010012 |
| Base 3 | 22001123 | 22001223 |
| Base 4 | 1322124 | 1322214 |
| Base 5 | 303135 | 303215 |
| Base 6 | 130226 | 130256 |
| Base 7 | 54657 | 55017 |
| Base 8 | 36468 | 36518 |
| Base 9 | 26159 | 26189 |
| Base 10 | 195810 | 196110 |
| Base 11 | 152011 | 152311 |
| Base 12 | 117212 | 117512 |
| Base 13 | b7813 | b7b13 |
| Base 14 | 9dc14 | a0114 |
| Base 15 | 8a815 | 8ab15 |
| Base 16 | 7a616 | 7a916 |