Compare 631139 vs 631223
| Property | 631139 | 631223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6311391 | 6312231 |
| Prime factorization | 631139 | 631223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 631139 | 1, 631223 |
| Number of properties | 6 | 6 |
| Additive primes | 20100th | 20105th |
| Chen primes | 20130th | |
| Isolated primes | 40298th | 40303rd |
| Left-truncatable primes | 530th | |
| Primes | 51415th | 51422nd |
| Safe primes | 2975th | |
| Sexy primes (1st member) | 11152nd | |
| Sexy primes (2nd member) | 11149th | |
| Ulam primes | 3763rd | |
| Roman numberals | ||
| Base 2 | 100110100001011000112 | 100110100001101101112 |
| Base 3 | 10120012021123 | 10120012121223 |
| Base 4 | 21220112034 | 21220123134 |
| Base 5 | 1301440245 | 1301443435 |
| Base 6 | 213055356 | 213101556 |
| Base 7 | 52360257 | 52362057 |
| Base 8 | 23205438 | 23206678 |
| Base 9 | 11616759 | 11617789 |
| Base 10 | 63113910 | 63122310 |
| Base 11 | 3a120311 | 3a127a11 |
| Base 12 | 2652ab12 | 26535b12 |
| Base 13 | 19137213 | 19140813 |
| Base 14 | 12601514 | 12607514 |
| Base 15 | c700e15 | c706815 |
| Base 16 | 9a16316 | 9a1b716 |