Compare 664661 vs 664664
| Property | 664661 | 664664 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 5 |
| Total factors | 1 | 7 |
| Prime factorization | 6646611 | 23 × 71 × 111 × 131 × 831 |
| Prime factorization | 664661 | 2 × 2 × 2 × 7 × 11 × 13 × 83 |
| Divisors count | 2 | 64 |
| Divisors | 1, 664661 | 1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 83, 88, 91, 104, 143, 154, 166, 182, 286, 308, 332, 364, 572, 581, 616, 664, 728, 913, 1001, 1079, 1144, 1162, 1826, 2002, 2158, 2324, 3652, 4004, 4316, 4648, 6391, 7304, 7553, 8008, 8632, 11869, 12782, 15106, 23738, 25564, 30212, 47476, 51128, 60424, 83083, 94952, 166166, 332332, 664664 |
| Number of properties | 7 | 0 |
| 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 | 101000100100010101012 | 101000100100010110002 |
| Base 3 | 10202022020023 | 10202022020123 |
| Base 4 | 22021011114 | 22021011204 |
| Base 5 | 1322321215 | 1322321245 |
| Base 6 | 221250456 | 221250526 |
| Base 7 | 54355347 | 54355407 |
| Base 8 | 24221258 | 24221308 |
| Base 9 | 12226629 | 12226659 |
| Base 10 | 66466110 | 66466410 |
| Base 11 | 41440811 | 41441011 |
| Base 12 | 28078512 | 28078812 |
| Base 13 | 1a36ba13 | 1a36c013 |
| Base 14 | 13431b14 | 13432014 |
| Base 15 | d1e0b15 | d1e0e15 |
| Base 16 | a245516 | a245816 |