Compare 15887 vs 16139
| Property | 15887 | 16139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 158871 | 161391 |
| Prime factorization | 15887 | 16139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 15887 | 1, 16139 |
| Number of properties | 7 | 5 |
| Additive primes | 881st | |
| Chen primes | 935th | 947th |
| Happy primes | 320th | |
| Long primes | 713th | 724th |
| Primes | 1851st | 1878th |
| Safe primes | 168th | |
| Sexy primes (2nd member) | 575th | |
| Twin primes (1st member) | 283rd | 287th |
| Roman numberals | ||
| Base 2 | 111110000011112 | 111111000010112 |
| Base 3 | 2102101023 | 2110102023 |
| Base 4 | 33200334 | 33300234 |
| Base 5 | 10020225 | 10040245 |
| Base 6 | 2013156 | 2024156 |
| Base 7 | 642147 | 650247 |
| Base 8 | 370178 | 374138 |
| Base 9 | 237129 | 241229 |
| Base 10 | 1588710 | 1613910 |
| Base 11 | 10a3311 | 1114211 |
| Base 12 | 923b12 | 940b12 |
| Base 13 | 730113 | 746613 |
| Base 14 | 5b0b14 | 5c4b14 |
| Base 15 | 4a9215 | 4bae15 |
| Base 16 | 3e0f16 | 3f0b16 |