Compare 27997 vs 28181
| Property | 27997 | 28181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 279971 | 281811 |
| Prime factorization | 27997 | 28181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 27997 | 1, 28181 |
| Number of properties | 5 | 5 |
| Chen primes | 1493rd | |
| Cousin primes (1st member) | 447th | |
| Harmonic primes | 1140th | 1147th |
| Isolated primes | 2164th | |
| Primes | 3055th | 3072nd |
| Pythagorean primes | 1522nd | 1529th |
| Twin primes (1st member) | 449th | |
| Roman numberals | ||
| Base 2 | 1101101010111012 | 1101110000101012 |
| Base 3 | 11021012213 | 11021222023 |
| Base 4 | 123111314 | 123201114 |
| Base 5 | 13434425 | 14002115 |
| Base 6 | 3333416 | 3342456 |
| Base 7 | 1444247 | 1451067 |
| Base 8 | 665358 | 670258 |
| Base 9 | 423579 | 425829 |
| Base 10 | 2799710 | 2818110 |
| Base 11 | 1a04211 | 1a19a11 |
| Base 12 | 1425112 | 1438512 |
| Base 13 | c98813 | ca9a13 |
| Base 14 | a2bb14 | a3ad14 |
| Base 15 | 846715 | 853b15 |
| Base 16 | 6d5d16 | 6e1516 |