Compare 305142 vs 305147
| Property | 305142 | 305147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 508571 | 3051471 |
| Prime factorization | 2 × 3 × 50857 | 305147 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 50857, 101714, 152571, 305142 | 1, 305147 |
| Number of properties | 0 | 6 |
| Chen primes | 10820th | |
| Cousin primes (2nd member) | 3027th | |
| Happy primes | 3961st | |
| Harmonic primes | 9875th | |
| Isolated primes | 20345th | |
| Primes | 26424th | |
| Roman numberals | ||
| Base 2 | 10010100111111101102 | 10010100111111110112 |
| Base 3 | 1201111201203 | 1201111202023 |
| Base 4 | 10221333124 | 10221333234 |
| Base 5 | 342310325 | 342310425 |
| Base 6 | 103124106 | 103124156 |
| Base 7 | 24104257 | 24104337 |
| Base 8 | 11237668 | 11237738 |
| Base 9 | 5145169 | 5145229 |
| Base 10 | 30514210 | 30514710 |
| Base 11 | 19929211 | 19929711 |
| Base 12 | 12870612 | 12870b12 |
| Base 13 | a8b7613 | a8b7b13 |
| Base 14 | 7d2bc14 | 7d2c314 |
| Base 15 | 6062c15 | 6063215 |
| Base 16 | 4a7f616 | 4a7fb16 |