Compare 15287 vs 16139
| Property | 15287 | 16139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 152871 | 161391 |
| Prime factorization | 15287 | 16139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 15287 | 1, 16139 |
| Number of properties | 7 | 5 |
| Additive primes | 848th | |
| Chen primes | 906th | 947th |
| Harmonic primes | 646th | |
| Long primes | 691st | 724th |
| Primes | 1785th | 1878th |
| Safe primes | 161st | 168th |
| Twin primes (1st member) | 275th | 287th |
| Roman numberals | ||
| Base 2 | 111011101101112 | 111111000010112 |
| Base 3 | 2022220123 | 2110102023 |
| Base 4 | 32323134 | 33300234 |
| Base 5 | 4421225 | 10040245 |
| Base 6 | 1544356 | 2024156 |
| Base 7 | 623667 | 650247 |
| Base 8 | 356678 | 374138 |
| Base 9 | 228659 | 241229 |
| Base 10 | 1528710 | 1613910 |
| Base 11 | 1053811 | 1114211 |
| Base 12 | 8a1b12 | 940b12 |
| Base 13 | 6c5c13 | 746613 |
| Base 14 | 57dd14 | 5c4b14 |
| Base 15 | 47e215 | 4bae15 |
| Base 16 | 3bb716 | 3f0b16 |