Compare 21110 vs 21121
| Property | 21110 | 21121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 21111 | 211211 |
| Prime factorization | 2 × 5 × 2111 | 21121 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 2111, 4222, 10555, 21110 | 1, 21121 |
| Number of properties | 0 | 4 |
| Additive primes | 1102nd | |
| Isolated primes | 1655th | |
| Primes | 2374th | |
| Pythagorean primes | 1179th | |
| Roman numberals | ||
| Base 2 | 1010010011101102 | 1010010100000012 |
| Base 3 | 10012212123 | 10012220213 |
| Base 4 | 110213124 | 110220014 |
| Base 5 | 11334205 | 11334415 |
| Base 6 | 2414226 | 2414416 |
| Base 7 | 1153557 | 1154027 |
| Base 8 | 511668 | 512018 |
| Base 9 | 318559 | 318679 |
| Base 10 | 2111010 | 2112110 |
| Base 11 | 1495111 | 1496111 |
| Base 12 | 1027212 | 1028112 |
| Base 13 | 97bb13 | 97c913 |
| Base 14 | 799c14 | 79a914 |
| Base 15 | 63c515 | 63d115 |
| Base 16 | 527616 | 528116 |