Compare 53981 vs 53987
| Property | 53981 | 53987 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 231 × 23471 | 539871 |
| Prime factorization | 23 × 2347 | 53987 |
| Divisors count | 4 | 2 |
| Divisors | 1, 23, 2347, 53981 | 1, 53987 |
| Number of properties | 1 | 6 |
| Chen primes | 2555th | |
| Harmonic primes | 2060th | |
| Isolated primes | 4006th | |
| Primes | 5499th | |
| Safe primes | 412th | |
| Semiprimes | 13024th | |
| Sexy primes (1st member) | 1497th | |
| Roman numberals | ||
| Base 2 | 11010010110111012 | 11010010111000112 |
| Base 3 | 22020010223 | 22020011123 |
| Base 4 | 310231314 | 310232034 |
| Base 5 | 32114115 | 32114225 |
| Base 6 | 10535256 | 10535356 |
| Base 7 | 3132447 | 3132537 |
| Base 8 | 1513358 | 1513438 |
| Base 9 | 820389 | 820459 |
| Base 10 | 5398110 | 5398710 |
| Base 11 | 3761411 | 3761a11 |
| Base 12 | 272a512 | 272ab12 |
| Base 13 | 1b75513 | 1b75b13 |
| Base 14 | 1595b14 | 1596314 |
| Base 15 | 10edb15 | 10ee215 |
| Base 16 | d2dd16 | d2e316 |