Compare 664115 vs 664123
| Property | 664115 | 664123 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 3171 × 4191 | 6641231 |
| Prime factorization | 5 × 317 × 419 | 664123 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 317, 419, 1585, 2095, 132823, 664115 | 1, 664123 |
| Number of properties | 0 | 4 |
| Primes | 53879th | |
| Prime triplets (3rd member) | 2119th | |
| Sexy primes (2nd member) | 11631st | |
| Twin primes (2nd member) | 5817th | |
| Roman numberals | ||
| Base 2 | 101000100010001100112 | 101000100010001110112 |
| Base 3 | 10202012222123 | 10202020000113 |
| Base 4 | 22020203034 | 22020203234 |
| Base 5 | 1322224305 | 1322224435 |
| Base 6 | 221223356 | 221223516 |
| Base 7 | 54341247 | 54341357 |
| Base 8 | 24210638 | 24210738 |
| Base 9 | 12218859 | 12220049 |
| Base 10 | 66411510 | 66412310 |
| Base 11 | 413a6111 | 413a6911 |
| Base 12 | 2803ab12 | 2803b712 |
| Base 13 | 1a338a13 | 1a339513 |
| Base 14 | 13404b14 | 13405514 |
| Base 15 | d1b9515 | d1b9d15 |
| Base 16 | a223316 | a223b16 |