Compare 1847 vs 1987
| Property | 1847 | 1987 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18471 | 19871 |
| Prime factorization | 1847 | 1987 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1847 | 1, 1987 |
| Number of properties | 9 | 6 |
| Chen primes | 175th | |
| Emirps | 89th | |
| Good primes | 57th | 62nd |
| Happy primes | 53rd | |
| Harmonic primes | 102nd | |
| Isolated primes | 172nd | 181st |
| Long primes | 111th | |
| Lucky primes | 70th | |
| Primes | 283rd | 300th |
| Sexy primes (1st member) | 127th | |
| Sexy prime triplets (1st member) | 50th | |
| Super primes | 61st | |
| Roman numberals | MDCCCXLVII | MCMLXXXVII |
| Base 2 | 111001101112 | 111110000112 |
| Base 3 | 21121023 | 22011213 |
| Base 4 | 1303134 | 1330034 |
| Base 5 | 243425 | 304225 |
| Base 6 | 123156 | 131116 |
| Base 7 | 52467 | 55367 |
| Base 8 | 34678 | 37038 |
| Base 9 | 24729 | 26479 |
| Base 10 | 184710 | 198710 |
| Base 11 | 142a11 | 154711 |
| Base 12 | 109b12 | 119712 |
| Base 13 | ac113 | b9b13 |
| Base 14 | 95d14 | a1d14 |
| Base 15 | 83215 | 8c715 |
| Base 16 | 73716 | 7c316 |