Compare 31123 vs 31129
| Property | 31123 | 31129 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 311231 | 71 × 44471 |
| Prime factorization | 31123 | 7 × 4447 |
| Divisors count | 2 | 4 |
| Divisors | 1, 31123 | 1, 7, 4447, 31129 |
| Number of properties | 3 | 1 |
| Primes | 3352nd | |
| Semiprimes | 7736th | |
| Twin primes (2nd member) | 480th | |
| Ulam primes | 255th | |
| Roman numberals | ||
| Base 2 | 1111001100100112 | 1111001100110012 |
| Base 3 | 11202002013 | 11202002213 |
| Base 4 | 132121034 | 132121214 |
| Base 5 | 14434435 | 14440045 |
| Base 6 | 4000316 | 4000416 |
| Base 7 | 1565117 | 1565207 |
| Base 8 | 746238 | 746318 |
| Base 9 | 466219 | 466279 |
| Base 10 | 3112310 | 3112910 |
| Base 11 | 2142411 | 2142a11 |
| Base 12 | 1601712 | 1602112 |
| Base 13 | 1122113 | 1122713 |
| Base 14 | b4b114 | b4b714 |
| Base 15 | 934d15 | 935415 |
| Base 16 | 799316 | 799916 |