Compare 542978 vs 542987
| Property | 542978 | 542987 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 2714891 | 5429871 |
| Prime factorization | 2 × 271489 | 542987 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 271489, 542978 | 1, 542987 |
| Number of properties | 1 | 5 |
| Chen primes | 17698th | |
| Happy primes | 6465th | |
| Isolated primes | 35002nd | |
| Primes | 44799th | |
| Semiprimes | 117181st | |
| Sexy primes (2nd member) | 9819th | |
| Roman numberals | ||
| Base 2 | 100001001001000000102 | 100001001001000010112 |
| Base 3 | 10001202110223 | 10001202111223 |
| Base 4 | 20102100024 | 20102100234 |
| Base 5 | 1143334035 | 1143334225 |
| Base 6 | 153454426 | 153454556 |
| Base 7 | 44210127 | 44210247 |
| Base 8 | 20444028 | 20444138 |
| Base 9 | 10167389 | 10167489 |
| Base 10 | 54297810 | 54298710 |
| Base 11 | 340a4711 | 340a5511 |
| Base 12 | 22228212 | 22228b12 |
| Base 13 | 1601b713 | 1601c313 |
| Base 14 | 101c4214 | 101c4b14 |
| Base 15 | aad3815 | aad4215 |
| Base 16 | 8490216 | 8490b16 |