Compare 31393 vs 31489
| Property | 31393 | 31489 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 313931 | 314891 |
| Prime factorization | 31393 | 31489 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31393 | 1, 31489 |
| Number of properties | 11 | 7 |
| Additive primes | 1531st | |
| Cousin primes (1st member) | 485th | |
| Emirps | 678th | |
| Happy primes | 557th | |
| Harmonic primes | 1261st | 1265th |
| Isolated primes | 2420th | |
| Lucky primes | 526th | |
| Primes | 3384th | 3389th |
| Prime triplets (2nd member) | 233rd | |
| Prime triplets (3rd member) | 232nd | |
| Proth primes | 61st | |
| Pythagorean primes | 1682nd | 1687th |
| Sexy primes (2nd member) | 990th | |
| Super primes | 477th | |
| Twin primes (2nd member) | 485th | |
| Roman numberals | ||
| Base 2 | 1111010101000012 | 1111011000000012 |
| Base 3 | 11210012013 | 11210120213 |
| Base 4 | 132222014 | 132300014 |
| Base 5 | 20010335 | 20014245 |
| Base 6 | 4012016 | 4014416 |
| Base 7 | 1603457 | 1605437 |
| Base 8 | 752418 | 754018 |
| Base 9 | 470519 | 471679 |
| Base 10 | 3139310 | 3148910 |
| Base 11 | 2164a11 | 2172711 |
| Base 12 | 1620112 | 1628112 |
| Base 13 | 1139b13 | 1144313 |
| Base 14 | b62514 | b69314 |
| Base 15 | 947d15 | 94e415 |
| Base 16 | 7aa116 | 7b0116 |