Compare 2157 vs 2181
| Property | 2157 | 2181 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 7191 | 31 × 7271 |
| Prime factorization | 3 × 719 | 3 × 727 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 719, 2157 | 1, 3, 727, 2181 |
| Number of properties | 1 | 1 |
| Semiprimes | 615th | 623rd |
| Roman numberals | MMCLVII | MMCLXXXI |
| Base 2 | 1000011011012 | 1000100001012 |
| Base 3 | 22212203 | 22222103 |
| Base 4 | 2012314 | 2020114 |
| Base 5 | 321125 | 322115 |
| Base 6 | 135536 | 140336 |
| Base 7 | 62017 | 62347 |
| Base 8 | 41558 | 42058 |
| Base 9 | 28569 | 28839 |
| Base 10 | 215710 | 218110 |
| Base 11 | 169111 | 170311 |
| Base 12 | 12b912 | 131912 |
| Base 13 | c9c13 | cba13 |
| Base 14 | b0114 | b1b14 |
| Base 15 | 98c15 | 9a615 |
| Base 16 | 86d16 | 88516 |