Compare 1427 vs 1871
| Property | 1427 | 1871 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14271 | 18711 |
| Prime factorization | 1427 | 1871 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1427 | 1, 1871 |
| Number of properties | 10 | 11 |
| Additive primes | 151st | |
| Chen primes | 147th | 176th |
| Cousin primes (2nd member) | 49th | 62nd |
| Good primes | 54th | 60th |
| Happy primes | 44th | |
| Primes | 225th | 286th |
| Prime quadruplets (1st member) | 7th | |
| Prime quintuplet 1s (2nd member) | 3rd | |
| Prime triplets (1st member) | 37th | 47th |
| Prime triplets (2nd member) | 36th | 46th |
| Sexy primes (1st member) | 98th | 122nd |
| Sexy prime triplets (1st member) | 37th | |
| Twin primes (1st member) | 47th | 57th |
| Roman numberals | MCDXXVII | MDCCCLXXI |
| Base 2 | 101100100112 | 111010011112 |
| Base 3 | 12212123 | 21200223 |
| Base 4 | 1121034 | 1310334 |
| Base 5 | 212025 | 244415 |
| Base 6 | 103356 | 123556 |
| Base 7 | 41067 | 53127 |
| Base 8 | 26238 | 35178 |
| Base 9 | 18559 | 25089 |
| Base 10 | 142710 | 187110 |
| Base 11 | 108811 | 145111 |
| Base 12 | 9ab12 | 10bb12 |
| Base 13 | 85a13 | b0c13 |
| Base 14 | 73d14 | 97914 |
| Base 15 | 65215 | 84b15 |
| Base 16 | 59316 | 74f16 |