Compare 31143 vs 31151
| Property | 31143 | 31151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 14831 | 311511 |
| Prime factorization | 3 × 7 × 1483 | 31151 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 1483, 4449, 10381, 31143 | 1, 31151 |
| Number of properties | 0 | 8 |
| Additive primes | 1516th | |
| Chen primes | 1603rd | |
| Cousin primes (2nd member) | 477th | |
| Harmonic primes | 1248th | |
| Primes | 3355th | |
| Prime triplets (2nd member) | 229th | |
| Sophie germain primes | 457th | |
| Twin primes (1st member) | 481st | |
| Roman numberals | ||
| Base 2 | 1111001101001112 | 1111001101011112 |
| Base 3 | 11202011103 | 11202012023 |
| Base 4 | 132122134 | 132122334 |
| Base 5 | 14440335 | 14441015 |
| Base 6 | 4001036 | 4001156 |
| Base 7 | 1565407 | 1565517 |
| Base 8 | 746478 | 746578 |
| Base 9 | 466439 | 466529 |
| Base 10 | 3114310 | 3115110 |
| Base 11 | 2144211 | 2144a11 |
| Base 12 | 1603312 | 1603b12 |
| Base 13 | 1123813 | 1124313 |
| Base 14 | b4c714 | b4d114 |
| Base 15 | 936315 | 936b15 |
| Base 16 | 79a716 | 79af16 |