Compare 21100 vs 21107
| Property | 21100 | 21107 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 52 × 2111 | 211071 |
| Prime factorization | 2 × 2 × 5 × 5 × 211 | 21107 |
| Divisors count | 18 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 2110, 4220, 5275, 10550, 21100 | 1, 21107 |
| Number of properties | 0 | 5 |
| Additive primes | 1101st | |
| Harmonic primes | 872nd | |
| Isolated primes | 1654th | |
| Primes | 2373rd | |
| Sexy primes (2nd member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010011011002 | 1010010011100112 |
| Base 3 | 10012211113 | 10012212023 |
| Base 4 | 110212304 | 110213034 |
| Base 5 | 11334005 | 11334125 |
| Base 6 | 2414046 | 2414156 |
| Base 7 | 1153427 | 1153527 |
| Base 8 | 511548 | 511638 |
| Base 9 | 318449 | 318529 |
| Base 10 | 2110010 | 2110710 |
| Base 11 | 1494211 | 1494911 |
| Base 12 | 1026412 | 1026b12 |
| Base 13 | 97b113 | 97b813 |
| Base 14 | 799214 | 799914 |
| Base 15 | 63ba15 | 63c215 |
| Base 16 | 526c16 | 527316 |