Compare 7639 vs 7642
| Property | 7639 | 7642 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 76391 | 21 × 38211 |
| Prime factorization | 7639 | 2 × 3821 |
| Divisors count | 2 | 4 |
| Divisors | 1, 7639 | 1, 2, 3821, 7642 |
| Number of properties | 4 | 1 |
| Cousin primes (1st member) | 162nd | |
| Isolated primes | 626th | |
| Lucky primes | 179th | |
| Primes | 969th | |
| Semiprimes | 2039th | |
| Roman numberals | ||
| Base 2 | 11101110101112 | 11101110110102 |
| Base 3 | 1011102213 | 1011110013 |
| Base 4 | 13131134 | 13131224 |
| Base 5 | 2210245 | 2210325 |
| Base 6 | 552116 | 552146 |
| Base 7 | 311627 | 311657 |
| Base 8 | 167278 | 167328 |
| Base 9 | 114279 | 114319 |
| Base 10 | 763910 | 764210 |
| Base 11 | 581511 | 581811 |
| Base 12 | 450712 | 450a12 |
| Base 13 | 362813 | 362b13 |
| Base 14 | 2ad914 | 2adc14 |
| Base 15 | 23e415 | 23e715 |
| Base 16 | 1dd716 | 1dda16 |