Compare 21103 vs 21107
| Property | 21103 | 21107 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 471 × 4491 | 211071 |
| Prime factorization | 47 × 449 | 21107 |
| Divisors count | 4 | 2 |
| Divisors | 1, 47, 449, 21103 | 1, 21107 |
| Number of properties | 1 | 5 |
| Additive primes | 1101st | |
| Harmonic primes | 872nd | |
| Isolated primes | 1654th | |
| Primes | 2373rd | |
| Semiprimes | 5352nd | |
| Sexy primes (2nd member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010011011112 | 1010010011100112 |
| Base 3 | 10012211213 | 10012212023 |
| Base 4 | 110212334 | 110213034 |
| Base 5 | 11334035 | 11334125 |
| Base 6 | 2414116 | 2414156 |
| Base 7 | 1153457 | 1153527 |
| Base 8 | 511578 | 511638 |
| Base 9 | 318479 | 318529 |
| Base 10 | 2110310 | 2110710 |
| Base 11 | 1494511 | 1494911 |
| Base 12 | 1026712 | 1026b12 |
| Base 13 | 97b413 | 97b813 |
| Base 14 | 799514 | 799914 |
| Base 15 | 63bd15 | 63c215 |
| Base 16 | 526f16 | 527316 |