Compare 42777 vs 42787
| Property | 42777 | 42787 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 32 × 72 × 971 | 427871 |
| Prime factorization | 3 × 3 × 7 × 7 × 97 | 42787 |
| Divisors count | 18 | 2 |
| Divisors | 1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 679, 873, 2037, 4753, 6111, 14259, 42777 | 1, 42787 |
| Number of properties | 0 | 4 |
| Harmonic primes | 1665th | |
| Isolated primes | 3233rd | |
| Primes | 4474th | |
| Sexy primes (1st member) | 1271st | |
| Roman numberals | ||
| Base 2 | 10100111000110012 | 10100111001000112 |
| Base 3 | 20112001003 | 20112002013 |
| Base 4 | 221301214 | 221302034 |
| Base 5 | 23321025 | 23321225 |
| Base 6 | 5300136 | 5300316 |
| Base 7 | 2355007 | 2355137 |
| Base 8 | 1234318 | 1234438 |
| Base 9 | 646109 | 646219 |
| Base 10 | 4277710 | 4278710 |
| Base 11 | 2a15911 | 2a16811 |
| Base 12 | 2090912 | 2091712 |
| Base 13 | 1661713 | 1662413 |
| Base 14 | 1183714 | 1184314 |
| Base 15 | ca1c15 | ca2715 |
| Base 16 | a71916 | a72316 |