Compare 31387 vs 31398
| Property | 31387 | 31398 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 313871 | 21 × 31 × 52331 |
| Prime factorization | 31387 | 2 × 3 × 5233 |
| Divisors count | 2 | 8 |
| Divisors | 1, 31387 | 1, 2, 3, 6, 5233, 10466, 15699, 31398 |
| Number of properties | 8 | 0 |
| Chen primes | 1613th | |
| Cousin primes (1st member) | 484th | |
| Isolated primes | 2415th | |
| Lucky primes | 525th | |
| Primes | 3382nd | |
| Prime triplets (1st member) | 232nd | |
| Sexy primes (1st member) | 990th | |
| Ulam primes | 258th | |
| Roman numberals | ||
| Base 2 | 1111010100110112 | 1111010101001102 |
| Base 3 | 11210011113 | 11210012203 |
| Base 4 | 132221234 | 132222124 |
| Base 5 | 20010225 | 20010435 |
| Base 6 | 4011516 | 4012106 |
| Base 7 | 1603367 | 1603537 |
| Base 8 | 752338 | 752468 |
| Base 9 | 470449 | 470569 |
| Base 10 | 3138710 | 3139810 |
| Base 11 | 2164411 | 2165411 |
| Base 12 | 161b712 | 1620612 |
| Base 13 | 1139513 | 113a313 |
| Base 14 | b61d14 | b62a14 |
| Base 15 | 947715 | 948315 |
| Base 16 | 7a9b16 | 7aa616 |