Compare 21101 vs 21111
| Property | 21101 | 21111 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 211011 | 31 × 311 × 2271 |
| Prime factorization | 21101 | 3 × 31 × 227 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21101 | 1, 3, 31, 93, 227, 681, 7037, 21111 |
| Number of properties | 8 | 0 |
| Additive primes | 1100th | |
| Chen primes | 1166th | |
| Happy primes | 392nd | |
| Isolated primes | 1653rd | |
| Long primes | 902nd | |
| Primes | 2372nd | |
| Pythagorean primes | 1178th | |
| Sexy primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010011011012 | 1010010011101112 |
| Base 3 | 10012211123 | 10012212203 |
| Base 4 | 110212314 | 110213134 |
| Base 5 | 11334015 | 11334215 |
| Base 6 | 2414056 | 2414236 |
| Base 7 | 1153437 | 1153567 |
| Base 8 | 511558 | 511678 |
| Base 9 | 318459 | 318569 |
| Base 10 | 2110110 | 2111110 |
| Base 11 | 1494311 | 1495211 |
| Base 12 | 1026512 | 1027312 |
| Base 13 | 97b213 | 97bc13 |
| Base 14 | 799314 | 799d14 |
| Base 15 | 63bb15 | 63c615 |
| Base 16 | 526d16 | 527716 |