Compare 31121 vs 31139
| Property | 31121 | 31139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311211 | 311391 |
| Prime factorization | 31121 | 31139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31121 | 1, 31139 |
| Number of properties | 6 | 7 |
| Additive primes | 1515th | |
| Chen primes | 1602nd | |
| Emirps | 668th | 669th |
| Good primes | 332nd | 333rd |
| Isolated primes | 2394th | |
| Long primes | 1271st | |
| Primes | 3351st | 3353rd |
| Pythagorean primes | 1668th | |
| Safe primes | 272nd | |
| Twin primes (1st member) | 480th | |
| Roman numberals | ||
| Base 2 | 1111001100100012 | 1111001101000112 |
| Base 3 | 11202001223 | 11202010223 |
| Base 4 | 132121014 | 132122034 |
| Base 5 | 14434415 | 14440245 |
| Base 6 | 4000256 | 4000556 |
| Base 7 | 1565067 | 1565337 |
| Base 8 | 746218 | 746438 |
| Base 9 | 466189 | 466389 |
| Base 10 | 3112110 | 3113910 |
| Base 11 | 2142211 | 2143911 |
| Base 12 | 1601512 | 1602b12 |
| Base 13 | 1121c13 | 1123413 |
| Base 14 | b4ad14 | b4c314 |
| Base 15 | 934b15 | 935e15 |
| Base 16 | 799116 | 79a316 |