Compare 31391 vs 31395
| Property | 31391 | 31395 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 5 |
| Total factors | 1 | 5 |
| Prime factorization | 313911 | 31 × 51 × 71 × 131 × 231 |
| Prime factorization | 31391 | 3 × 5 × 7 × 13 × 23 |
| Divisors count | 2 | 32 |
| Divisors | 1, 31391 | 1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 805, 897, 1365, 1495, 2093, 2415, 4485, 6279, 10465, 31395 |
| Number of properties | 8 | 0 |
| Additive primes | 1530th | |
| Chen primes | 1614th | |
| Cousin primes (2nd member) | 484th | |
| Primes | 3383rd | |
| Prime triplets (1st member) | 233rd | |
| Prime triplets (2nd member) | 232nd | |
| Sexy primes (1st member) | 991st | |
| Twin primes (1st member) | 485th | |
| Roman numberals | ||
| Base 2 | 1111010100111112 | 1111010101000112 |
| Base 3 | 11210011223 | 11210012103 |
| Base 4 | 132221334 | 132222034 |
| Base 5 | 20010315 | 20010405 |
| Base 6 | 4011556 | 4012036 |
| Base 7 | 1603437 | 1603507 |
| Base 8 | 752378 | 752438 |
| Base 9 | 470489 | 470539 |
| Base 10 | 3139110 | 3139510 |
| Base 11 | 2164811 | 2165111 |
| Base 12 | 161bb12 | 1620312 |
| Base 13 | 1139913 | 113a013 |
| Base 14 | b62314 | b62714 |
| Base 15 | 947b15 | 948015 |
| Base 16 | 7a9f16 | 7aa316 |