Compare 420487 vs 420499
| Property | 420487 | 420499 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1991 × 21131 | 4204991 |
| Prime factorization | 199 × 2113 | 420499 |
| Divisors count | 4 | 2 |
| Divisors | 1, 199, 2113, 420487 | 1, 420499 |
| Number of properties | 1 | 4 |
| Chen primes | 14229th | |
| Cousin primes (1st member) | 3964th | |
| Isolated primes | 27499th | |
| Primes | 35430th | |
| Semiprimes | 91866th | |
| Roman numberals | ||
| Base 2 | 11001101010100001112 | 11001101010100100112 |
| Base 3 | 2101002101213 | 2101002110013 |
| Base 4 | 12122220134 | 12122221034 |
| Base 5 | 1014234225 | 1014234445 |
| Base 6 | 130024116 | 130024316 |
| Base 7 | 34006247 | 34006427 |
| Base 8 | 14652078 | 14652238 |
| Base 9 | 7107179 | 7107319 |
| Base 10 | 42048710 | 42049910 |
| Base 11 | 267a1111 | 267a2211 |
| Base 12 | 18340712 | 18341712 |
| Base 13 | 11951213 | 11952113 |
| Base 14 | ad34b14 | ad35914 |
| Base 15 | 848c715 | 848d415 |
| Base 16 | 66a8716 | 66a9316 |