Compare 640960 vs 640967
| Property | 640960 | 640967 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 26 × 51 × 20031 | 6409671 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 2003 | 640967 |
| Divisors count | 28 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2003, 4006, 8012, 10015, 16024, 20030, 32048, 40060, 64096, 80120, 128192, 160240, 320480, 640960 | 1, 640967 |
| Number of properties | 0 | 5 |
| Cousin primes (2nd member) | 5638th | |
| Isolated primes | 40874th | |
| Primes | 52149th | |
| Safe primes | 3022nd | |
| Sexy primes (1st member) | 11301st | |
| Roman numberals | ||
| Base 2 | 100111000111110000002 | 100111000111110001112 |
| Base 3 | 10121200200213 | 10121200201123 |
| Base 4 | 21301330004 | 21301330134 |
| Base 5 | 1310023205 | 1310023325 |
| Base 6 | 214232246 | 214232356 |
| Base 7 | 53064557 | 53064657 |
| Base 8 | 23437008 | 23437078 |
| Base 9 | 11762079 | 11762159 |
| Base 10 | 64096010 | 64096710 |
| Base 11 | 3a862111 | 3a862811 |
| Base 12 | 26ab1412 | 26ab1b12 |
| Base 13 | 19598813 | 19599213 |
| Base 14 | 12982c14 | 12983514 |
| Base 15 | c9daa15 | c9db215 |
| Base 16 | 9c7c016 | 9c7c716 |