Compare 642397 vs 642403
| Property | 642397 | 642403 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 917711 | 6424031 |
| Prime factorization | 7 × 91771 | 642403 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 91771, 642397 | 1, 642403 |
| Number of properties | 1 | 5 |
| Additive primes | 20421st | |
| Cousin primes (1st member) | 5643rd | |
| Isolated primes | 40948th | |
| Primes | 52249th | |
| Semiprimes | 137638th | |
| Super primes | 5341st | |
| Roman numberals | ||
| Base 2 | 100111001101010111012 | 100111001101011000112 |
| Base 3 | 10121220121113 | 10121220122013 |
| Base 4 | 21303111314 | 21303112034 |
| Base 5 | 1310240425 | 1310241035 |
| Base 6 | 214340216 | 214340316 |
| Base 7 | 53136107 | 53136167 |
| Base 8 | 23465358 | 23465438 |
| Base 9 | 11781749 | 11781819 |
| Base 10 | 64239710 | 64240310 |
| Base 11 | 3a970811 | 3a971311 |
| Base 12 | 26b91112 | 26b91712 |
| Base 13 | 19652213 | 19652813 |
| Base 14 | 12a17714 | 12a17d14 |
| Base 15 | ca51715 | ca51d15 |
| Base 16 | 9cd5d16 | 9cd6316 |