Compare 31121 vs 31481
| Property | 31121 | 31481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311211 | 314811 |
| Prime factorization | 31121 | 31481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31121 | 1, 31481 |
| Number of properties | 6 | 9 |
| Additive primes | 1534th | |
| Chen primes | 1602nd | 1617th |
| Cousin primes (2nd member) | 486th | |
| Emirps | 668th | 679th |
| Good primes | 332nd | |
| Happy primes | 558th | |
| Harmonic primes | 1264th | |
| Isolated primes | 2419th | |
| Primes | 3351st | 3388th |
| Pythagorean primes | 1668th | 1686th |
| Twin primes (1st member) | 480th | |
| Roman numberals | ||
| Base 2 | 1111001100100012 | 1111010111110012 |
| Base 3 | 11202001223 | 11210112223 |
| Base 4 | 132121014 | 132233214 |
| Base 5 | 14434415 | 20014115 |
| Base 6 | 4000256 | 4014256 |
| Base 7 | 1565067 | 1605327 |
| Base 8 | 746218 | 753718 |
| Base 9 | 466189 | 471589 |
| Base 10 | 3112110 | 3148110 |
| Base 11 | 2142211 | 2171a11 |
| Base 12 | 1601512 | 1627512 |
| Base 13 | 1121c13 | 1143813 |
| Base 14 | b4ad14 | b68914 |
| Base 15 | 934b15 | 94db15 |
| Base 16 | 799116 | 7af916 |