Compare 220421 vs 220687
| Property | 220421 | 220687 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2204211 | 2206871 |
| Prime factorization | 220421 | 220687 |
| Divisors count | 2 | 2 |
| Divisors | 1, 220421 | 1, 220687 |
| Number of properties | 6 | 4 |
| Additive primes | 7949th | |
| Chen primes | 8190th | |
| Isolated primes | 14991st | 15006th |
| Long primes | 7355th | 7365th |
| Primes | 19650th | 19669th |
| Pythagorean primes | 9802nd | |
| Sexy primes (2nd member) | 4652nd | |
| Roman numberals | ||
| Base 2 | 1101011101000001012 | 1101011110000011112 |
| Base 3 | 1020121002023 | 1020122011213 |
| Base 4 | 3113100114 | 3113200334 |
| Base 5 | 240231415 | 240302225 |
| Base 6 | 44202456 | 44214116 |
| Base 7 | 16054257 | 16062557 |
| Base 8 | 6564058 | 6570178 |
| Base 9 | 3653229 | 3656479 |
| Base 10 | 22042110 | 22068710 |
| Base 11 | 14067311 | 14089511 |
| Base 12 | a768512 | a786712 |
| Base 13 | 7943613 | 795ac13 |
| Base 14 | 5a48514 | 5a5d514 |
| Base 15 | 4549b15 | 455c715 |
| Base 16 | 35d0516 | 35e0f16 |