Compare 1891 vs 1898
| Property | 1891 | 1898 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 311 × 611 | 21 × 131 × 731 |
| Prime factorization | 31 × 61 | 2 × 13 × 73 |
| Divisors count | 4 | 8 |
| Divisors | 1, 31, 61, 1891 | 1, 2, 13, 26, 73, 146, 949, 1898 |
| Number of properties | 1 | 0 |
| Semiprimes | 542nd | |
| Roman numberals | MDCCCXCI | MDCCCXCVIII |
| Base 2 | 111011000112 | 111011010102 |
| Base 3 | 21210013 | 21210223 |
| Base 4 | 1312034 | 1312224 |
| Base 5 | 300315 | 300435 |
| Base 6 | 124316 | 124426 |
| Base 7 | 53417 | 53517 |
| Base 8 | 35438 | 35528 |
| Base 9 | 25319 | 25389 |
| Base 10 | 189110 | 189810 |
| Base 11 | 146a11 | 147611 |
| Base 12 | 111712 | 112212 |
| Base 13 | b2613 | b3013 |
| Base 14 | 99114 | 99814 |
| Base 15 | 86115 | 86815 |
| Base 16 | 76316 | 76a16 |