Compare 742142 vs 742151
| Property | 742142 | 742151 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 3710711 | 7421511 |
| Prime factorization | 2 × 371071 | 742151 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 371071, 742142 | 1, 742151 |
| Number of properties | 1 | 5 |
| Chen primes | 23175th | |
| Emirps | 7643rd | |
| Primes | 59682nd | |
| Semiprimes | 157915th | |
| Sophie germain primes | 6018th | |
| Twin primes (1st member) | 6358th | |
| Roman numberals | ||
| Base 2 | 101101010010111111102 | 101101010011000001112 |
| Base 3 | 11012010002023 | 11012010010023 |
| Base 4 | 23110233324 | 23110300134 |
| Base 5 | 1422220325 | 1422221015 |
| Base 6 | 235235026 | 235235156 |
| Base 7 | 62104527 | 62104647 |
| Base 8 | 26513768 | 26514078 |
| Base 9 | 13510229 | 13510329 |
| Base 10 | 74214210 | 74215110 |
| Base 11 | 46764511 | 46765311 |
| Base 12 | 2b959212 | 2b959b12 |
| Base 13 | 1cca4b13 | 1cca5713 |
| Base 14 | 15466214 | 15466b14 |
| Base 15 | e9d6215 | e9d6b15 |
| Base 16 | b52fe16 | b530716 |