Compare 664118 vs 664121
| Property | 664118 | 664121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 21 × 71 × 131 × 411 × 891 | 6641211 |
| Prime factorization | 2 × 7 × 13 × 41 × 89 | 664121 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 7, 13, 14, 26, 41, 82, 89, 91, 178, 182, 287, 533, 574, 623, 1066, 1157, 1246, 2314, 3649, 3731, 7298, 7462, 8099, 16198, 25543, 47437, 51086, 94874, 332059, 664118 | 1, 664121 |
| Number of properties | 0 | 6 |
| Chen primes | 21072nd | |
| Cousin primes (2nd member) | 5810th | |
| Happy primes | 7639th | |
| Primes | 53878th | |
| Prime triplets (2nd member) | 2119th | |
| Twin primes (1st member) | 5817th | |
| Roman numberals | ||
| Base 2 | 101000100010001101102 | 101000100010001110012 |
| Base 3 | 10202012222223 | 10202020000023 |
| Base 4 | 22020203124 | 22020203214 |
| Base 5 | 1322224335 | 1322224415 |
| Base 6 | 221223426 | 221223456 |
| Base 7 | 54341307 | 54341337 |
| Base 8 | 24210668 | 24210718 |
| Base 9 | 12218889 | 12220029 |
| Base 10 | 66411810 | 66412110 |
| Base 11 | 413a6411 | 413a6711 |
| Base 12 | 2803b212 | 2803b512 |
| Base 13 | 1a339013 | 1a339313 |
| Base 14 | 13405014 | 13405314 |
| Base 15 | d1b9815 | d1b9b15 |
| Base 16 | a223616 | a223916 |