Compare 28181 vs 28307
| Property | 28181 | 28307 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281811 | 283071 |
| Prime factorization | 28181 | 28307 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28181 | 1, 28307 |
| Number of properties | 5 | 6 |
| Chen primes | 1493rd | 1499th |
| Harmonic primes | 1147th | 1150th |
| Primes | 3072nd | 3083rd |
| Pythagorean primes | 1529th | |
| Safe primes | 251st | |
| Super primes | 441st | |
| Twin primes (1st member) | 449th | 451st |
| Roman numberals | ||
| Base 2 | 1101110000101012 | 1101110100100112 |
| Base 3 | 11021222023 | 11022111023 |
| Base 4 | 123201114 | 123221034 |
| Base 5 | 14002115 | 14012125 |
| Base 6 | 3342456 | 3350156 |
| Base 7 | 1451067 | 1453467 |
| Base 8 | 670258 | 672238 |
| Base 9 | 425829 | 427429 |
| Base 10 | 2818110 | 2830710 |
| Base 11 | 1a19a11 | 1a2a411 |
| Base 12 | 1438512 | 1446b12 |
| Base 13 | ca9a13 | cb6613 |
| Base 14 | a3ad14 | a45d14 |
| Base 15 | 853b15 | 85c215 |
| Base 16 | 6e1516 | 6e9316 |