Compare 631 vs 633
| Property | 631 | 633 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6311 | 31 × 2111 |
| Prime factorization | 631 | 3 × 211 |
| Divisors count | 2 | 4 |
| Divisors | 1, 631 | 1, 3, 211, 633 |
| Number of properties | 6 | 1 |
| Centered triangular primes | 7th | |
| Chen primes | 80th | |
| Cuban primes 1 | 10th | |
| Isolated primes | 60th | |
| Lucky primes | 32nd | |
| Primes | 115th | |
| Semiprimes | 193rd | |
| Roman numberals | DCXXXI | DCXXXIII |
| Base 2 | 10011101112 | 10011110012 |
| Base 3 | 2121013 | 2121103 |
| Base 4 | 213134 | 213214 |
| Base 5 | 100115 | 100135 |
| Base 6 | 25316 | 25336 |
| Base 7 | 15617 | 15637 |
| Base 8 | 11678 | 11718 |
| Base 9 | 7719 | 7739 |
| Base 10 | 63110 | 63310 |
| Base 11 | 52411 | 52611 |
| Base 12 | 44712 | 44912 |
| Base 13 | 39713 | 39913 |
| Base 14 | 33114 | 33314 |
| Base 15 | 2c115 | 2c315 |
| Base 16 | 27716 | 27916 |