Compare 631 vs 1951
| Property | 631 | 1951 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6311 | 19511 |
| Prime factorization | 631 | 1951 |
| Divisors count | 2 | 2 |
| Divisors | 1, 631 | 1, 1951 |
| Number of properties | 6 | 3 |
| Centered triangular primes | 7th | |
| Chen primes | 80th | |
| Cuban primes 1 | 10th | 14th |
| Isolated primes | 60th | |
| Lucky primes | 32nd | |
| Primes | 115th | 297th |
| Twin primes (2nd member) | 60th | |
| Roman numberals | DCXXXI | MCMLI |
| Base 2 | 10011101112 | 111100111112 |
| Base 3 | 2121013 | 22000213 |
| Base 4 | 213134 | 1321334 |
| Base 5 | 100115 | 303015 |
| Base 6 | 25316 | 130116 |
| Base 7 | 15617 | 54557 |
| Base 8 | 11678 | 36378 |
| Base 9 | 7719 | 26079 |
| Base 10 | 63110 | 195110 |
| Base 11 | 52411 | 151411 |
| Base 12 | 44712 | 116712 |
| Base 13 | 39713 | b7113 |
| Base 14 | 33114 | 9d514 |
| Base 15 | 2c115 | 8a115 |
| Base 16 | 27716 | 79f16 |