Compare 21107 vs 21115
| Property | 21107 | 21115 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 211071 | 51 × 411 × 1031 |
| Prime factorization | 21107 | 5 × 41 × 103 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21107 | 1, 5, 41, 103, 205, 515, 4223, 21115 |
| Number of properties | 5 | 0 |
| Additive primes | 1101st | |
| Harmonic primes | 872nd | |
| Isolated primes | 1654th | |
| Primes | 2373rd | |
| Sexy primes (2nd member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010011100112 | 1010010011110112 |
| Base 3 | 10012212023 | 10012220013 |
| Base 4 | 110213034 | 110213234 |
| Base 5 | 11334125 | 11334305 |
| Base 6 | 2414156 | 2414316 |
| Base 7 | 1153527 | 1153637 |
| Base 8 | 511638 | 511738 |
| Base 9 | 318529 | 318619 |
| Base 10 | 2110710 | 2111510 |
| Base 11 | 1494911 | 1495611 |
| Base 12 | 1026b12 | 1027712 |
| Base 13 | 97b813 | 97c313 |
| Base 14 | 799914 | 79a314 |
| Base 15 | 63c215 | 63ca15 |
| Base 16 | 527316 | 527b16 |