Compare 664653 vs 664661
| Property | 664653 | 664661 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 31 × 112 × 18311 | 6646611 |
| Prime factorization | 3 × 11 × 11 × 1831 | 664661 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 11, 33, 121, 363, 1831, 5493, 20141, 60423, 221551, 664653 | 1, 664661 |
| Number of properties | 0 | 7 |
| Additive primes | 21046th | |
| Chen primes | 21090th | |
| Primes | 53920th | |
| Prime quadruplets (1st member) | 129th | |
| Prime triplets (1st member) | 2120th | |
| Sexy primes (1st member) | 11637th | |
| Twin primes (1st member) | 5821st | |
| Roman numberals | ||
| Base 2 | 101000100100010011012 | 101000100100010101012 |
| Base 3 | 10202022012103 | 10202022020023 |
| Base 4 | 22021010314 | 22021011114 |
| Base 5 | 1322321035 | 1322321215 |
| Base 6 | 221250336 | 221250456 |
| Base 7 | 54355237 | 54355347 |
| Base 8 | 24221158 | 24221258 |
| Base 9 | 12226539 | 12226629 |
| Base 10 | 66465310 | 66466110 |
| Base 11 | 41440011 | 41440811 |
| Base 12 | 28077912 | 28078512 |
| Base 13 | 1a36b213 | 1a36ba13 |
| Base 14 | 13431314 | 13431b14 |
| Base 15 | d1e0315 | d1e0b15 |
| Base 16 | a244d16 | a245516 |