Compare 2122 vs 2129
| Property | 2122 | 2129 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 10611 | 21291 |
| Prime factorization | 2 × 1061 | 2129 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 1061, 2122 | 1, 2129 |
| Number of properties | 1 | 5 |
| Chen primes | 196th | |
| Primes | 320th | |
| Pythagorean primes | 155th | |
| Semiprimes | 607th | |
| Sophie germain primes | 65th | |
| Twin primes (1st member) | 66th | |
| Roman numberals | MMCXXII | MMCXXIX |
| Base 2 | 1000010010102 | 1000010100012 |
| Base 3 | 22201213 | 22202123 |
| Base 4 | 2010224 | 2011014 |
| Base 5 | 314425 | 320045 |
| Base 6 | 134546 | 135056 |
| Base 7 | 61217 | 61317 |
| Base 8 | 41128 | 41218 |
| Base 9 | 28179 | 28259 |
| Base 10 | 212210 | 212910 |
| Base 11 | 165a11 | 166611 |
| Base 12 | 128a12 | 129512 |
| Base 13 | c7313 | c7a13 |
| Base 14 | ab814 | ac114 |
| Base 15 | 96715 | 96e15 |
| Base 16 | 84a16 | 85116 |