Compare 305145 vs 305147
| Property | 305145 | 305147 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 51 × 67811 | 3051471 |
| Prime factorization | 3 × 3 × 5 × 6781 | 305147 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 5, 9, 15, 45, 6781, 20343, 33905, 61029, 101715, 305145 | 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 | 10010100111111110012 | 10010100111111110112 |
| Base 3 | 1201111202003 | 1201111202023 |
| Base 4 | 10221333214 | 10221333234 |
| Base 5 | 342310405 | 342310425 |
| Base 6 | 103124136 | 103124156 |
| Base 7 | 24104317 | 24104337 |
| Base 8 | 11237718 | 11237738 |
| Base 9 | 5145209 | 5145229 |
| Base 10 | 30514510 | 30514710 |
| Base 11 | 19929511 | 19929711 |
| Base 12 | 12870912 | 12870b12 |
| Base 13 | a8b7913 | a8b7b13 |
| Base 14 | 7d2c114 | 7d2c314 |
| Base 15 | 6063015 | 6063215 |
| Base 16 | 4a7f916 | 4a7fb16 |