Compare 31378 vs 31387
| Property | 31378 | 31387 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 291 × 5411 | 313871 |
| Prime factorization | 2 × 29 × 541 | 31387 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 29, 58, 541, 1082, 15689, 31378 | 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 | 1111010100100102 | 1111010100110112 |
| Base 3 | 11210010113 | 11210011113 |
| Base 4 | 132221024 | 132221234 |
| Base 5 | 20010035 | 20010225 |
| Base 6 | 4011346 | 4011516 |
| Base 7 | 1603247 | 1603367 |
| Base 8 | 752228 | 752338 |
| Base 9 | 470349 | 470449 |
| Base 10 | 3137810 | 3138710 |
| Base 11 | 2163611 | 2164411 |
| Base 12 | 161aa12 | 161b712 |
| Base 13 | 1138913 | 1139513 |
| Base 14 | b61414 | b61d14 |
| Base 15 | 946d15 | 947715 |
| Base 16 | 7a9216 | 7a9b16 |