Compare 2191 vs 2203
| Property | 2191 | 2203 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 3131 | 22031 |
| Prime factorization | 7 × 313 | 2203 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 313, 2191 | 1, 2203 |
| Number of properties | 1 | 6 |
| Additive primes | 172nd | |
| Cousin primes (1st member) | 68th | |
| Good primes | 66th | |
| Harmonic primes | 120th | |
| Isolated primes | 195th | |
| Primes | 328th | |
| Semiprimes | 628th | |
| Roman numberals | MMCXCI | MMCCIII |
| Base 2 | 1000100011112 | 1000100110112 |
| Base 3 | 100000113 | 100001213 |
| Base 4 | 2020334 | 2021234 |
| Base 5 | 322315 | 323035 |
| Base 6 | 140516 | 141116 |
| Base 7 | 62507 | 62657 |
| Base 8 | 42178 | 42338 |
| Base 9 | 30049 | 30179 |
| Base 10 | 219110 | 220310 |
| Base 11 | 171211 | 172311 |
| Base 12 | 132712 | 133712 |
| Base 13 | cc713 | 100613 |
| Base 14 | b2714 | b3514 |
| Base 15 | 9b115 | 9bd15 |
| Base 16 | 88f16 | 89b16 |