Compare 664142 vs 664151
| Property | 664142 | 664151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 1391 × 23891 | 6641511 |
| Prime factorization | 2 × 139 × 2389 | 664151 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 139, 278, 2389, 4778, 332071, 664142 | 1, 664151 |
| Number of properties | 0 | 3 |
| Additive primes | 21032nd | |
| Isolated primes | 42249th | |
| Primes | 53882nd | |
| Roman numberals | ||
| Base 2 | 101000100010010011102 | 101000100010010101112 |
| Base 3 | 10202020002123 | 10202020010123 |
| Base 4 | 22020210324 | 22020211134 |
| Base 5 | 1322230325 | 1322231015 |
| Base 6 | 221224226 | 221224356 |
| Base 7 | 54341637 | 54342057 |
| Base 8 | 24211168 | 24211278 |
| Base 9 | 12220259 | 12220359 |
| Base 10 | 66414210 | 66415110 |
| Base 11 | 413a8611 | 413a9411 |
| Base 12 | 28041212 | 28041b12 |
| Base 13 | 1a33ab13 | 1a33b713 |
| Base 14 | 13406a14 | 13407514 |
| Base 15 | d1bb215 | d1bbb15 |
| Base 16 | a224e16 | a225716 |