Compare 31386 vs 31387
| Property | 31386 | 31387 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 52311 | 313871 |
| Prime factorization | 2 × 3 × 5231 | 31387 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 5231, 10462, 15693, 31386 | 1, 31387 |
| Number of properties | 0 | 8 |
| 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 | 1111010100110102 | 1111010100110112 |
| Base 3 | 11210011103 | 11210011113 |
| Base 4 | 132221224 | 132221234 |
| Base 5 | 20010215 | 20010225 |
| Base 6 | 4011506 | 4011516 |
| Base 7 | 1603357 | 1603367 |
| Base 8 | 752328 | 752338 |
| Base 9 | 470439 | 470449 |
| Base 10 | 3138610 | 3138710 |
| Base 11 | 2164311 | 2164411 |
| Base 12 | 161b612 | 161b712 |
| Base 13 | 1139413 | 1139513 |
| Base 14 | b61c14 | b61d14 |
| Base 15 | 947615 | 947715 |
| Base 16 | 7a9a16 | 7a9b16 |