Compare 31397 vs 31409
| Property | 31397 | 31409 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 313971 | 72 × 6411 |
| Prime factorization | 31397 | 7 × 7 × 641 |
| Divisors count | 2 | 6 |
| Divisors | 1, 31397 | 1, 7, 49, 641, 4487, 31409 |
| Number of properties | 8 | 0 |
| Additive primes | 1532nd | |
| Chen primes | 1615th | |
| Cousin primes (2nd member) | 485th | |
| Isolated primes | 2416th | |
| Primes | 3385th | |
| Prime triplets (3rd member) | 233rd | |
| Pythagorean primes | 1683rd | |
| Sexy primes (2nd member) | 991st | |
| Roman numberals | ||
| Base 2 | 1111010101001012 | 1111010101100012 |
| Base 3 | 11210012123 | 11210020223 |
| Base 4 | 132222114 | 132223014 |
| Base 5 | 20010425 | 20011145 |
| Base 6 | 4012056 | 4012256 |
| Base 7 | 1603527 | 1604007 |
| Base 8 | 752458 | 752618 |
| Base 9 | 470559 | 470689 |
| Base 10 | 3139710 | 3140910 |
| Base 11 | 2165311 | 2166411 |
| Base 12 | 1620512 | 1621512 |
| Base 13 | 113a213 | 113b113 |
| Base 14 | b62914 | b63714 |
| Base 15 | 948215 | 948e15 |
| Base 16 | 7aa516 | 7ab116 |