Compare 42783 vs 42787
| Property | 42783 | 42787 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 131 × 10971 | 427871 |
| Prime factorization | 3 × 13 × 1097 | 42787 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 13, 39, 1097, 3291, 14261, 42783 | 1, 42787 |
| Number of properties | 0 | 4 |
| Harmonic primes | 1665th | |
| Isolated primes | 3233rd | |
| Primes | 4474th | |
| Sexy primes (1st member) | 1271st | |
| Roman numberals | ||
| Base 2 | 10100111000111112 | 10100111001000112 |
| Base 3 | 20112001203 | 20112002013 |
| Base 4 | 221301334 | 221302034 |
| Base 5 | 23321135 | 23321225 |
| Base 6 | 5300236 | 5300316 |
| Base 7 | 2355067 | 2355137 |
| Base 8 | 1234378 | 1234438 |
| Base 9 | 646169 | 646219 |
| Base 10 | 4278310 | 4278710 |
| Base 11 | 2a16411 | 2a16811 |
| Base 12 | 2091312 | 2091712 |
| Base 13 | 1662013 | 1662413 |
| Base 14 | 1183d14 | 1184314 |
| Base 15 | ca2315 | ca2715 |
| Base 16 | a71f16 | a72316 |