Compare 742 vs 751
| Property | 742 | 751 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 531 | 7511 |
| Prime factorization | 2 × 7 × 53 | 751 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 53, 106, 371, 742 | 1, 751 |
| Number of properties | 0 | 7 |
| Additive primes | 70th | |
| Chen primes | 90th | |
| Emirps | 26th | |
| Isolated primes | 74th | |
| Primes | 133rd | |
| Sexy primes (1st member) | 63rd | |
| Ulam primes | 16th | |
| Roman numberals | DCCXLII | DCCLI |
| Base 2 | 10111001102 | 10111011112 |
| Base 3 | 10001113 | 10002113 |
| Base 4 | 232124 | 232334 |
| Base 5 | 104325 | 110015 |
| Base 6 | 32346 | 32516 |
| Base 7 | 21107 | 21227 |
| Base 8 | 13468 | 13578 |
| Base 9 | 10149 | 10249 |
| Base 10 | 74210 | 75110 |
| Base 11 | 61511 | 62311 |
| Base 12 | 51a12 | 52712 |
| Base 13 | 45113 | 45a13 |
| Base 14 | 3b014 | 3b914 |
| Base 15 | 34715 | 35115 |
| Base 16 | 2e616 | 2ef16 |