Compare 2123 vs 2129
| Property | 2123 | 2129 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 1931 | 21291 |
| Prime factorization | 11 × 193 | 2129 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 193, 2123 | 1, 2129 |
| Number of properties | 1 | 5 |
| Chen primes | 196th | |
| Primes | 320th | |
| Pythagorean primes | 155th | |
| Semiprimes | 608th | |
| Sophie germain primes | 65th | |
| Twin primes (1st member) | 66th | |
| Roman numberals | MMCXXIII | MMCXXIX |
| Base 2 | 1000010010112 | 1000010100012 |
| Base 3 | 22201223 | 22202123 |
| Base 4 | 2010234 | 2011014 |
| Base 5 | 314435 | 320045 |
| Base 6 | 134556 | 135056 |
| Base 7 | 61227 | 61317 |
| Base 8 | 41138 | 41218 |
| Base 9 | 28189 | 28259 |
| Base 10 | 212310 | 212910 |
| Base 11 | 166011 | 166611 |
| Base 12 | 128b12 | 129512 |
| Base 13 | c7413 | c7a13 |
| Base 14 | ab914 | ac114 |
| Base 15 | 96815 | 96e15 |
| Base 16 | 84b16 | 85116 |