Compare 2128 vs 2129
| Property | 2128 | 2129 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 71 × 191 | 21291 |
| Prime factorization | 2 × 2 × 2 × 2 × 7 × 19 | 2129 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128 | 1, 2129 |
| Number of properties | 0 | 5 |
| Chen primes | 196th | |
| Primes | 320th | |
| Pythagorean primes | 155th | |
| Sophie germain primes | 65th | |
| Twin primes (1st member) | 66th | |
| Roman numberals | MMCXXVIII | MMCXXIX |
| Base 2 | 1000010100002 | 1000010100012 |
| Base 3 | 22202113 | 22202123 |
| Base 4 | 2011004 | 2011014 |
| Base 5 | 320035 | 320045 |
| Base 6 | 135046 | 135056 |
| Base 7 | 61307 | 61317 |
| Base 8 | 41208 | 41218 |
| Base 9 | 28249 | 28259 |
| Base 10 | 212810 | 212910 |
| Base 11 | 166511 | 166611 |
| Base 12 | 129412 | 129512 |
| Base 13 | c7913 | c7a13 |
| Base 14 | ac014 | ac114 |
| Base 15 | 96d15 | 96e15 |
| Base 16 | 85016 | 85116 |