Compare 211 vs 421
| Property | 211 | 421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2111 | 4211 |
| Prime factorization | 211 | 421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 211 | 1, 421 |
| Number of properties | 8 | 6 |
| Additive primes | 48th | |
| Centered decagonal primes | 6th | |
| Centered square primes | 8th | |
| Chen primes | 37th | |
| Euclid primes | 5th | |
| Isolated primes | 18th | |
| Lucky primes | 14th | 23rd |
| Multiplicative primes | 12th | |
| Primes | 47th | 82nd |
| Pythagorean primes | 40th | |
| Super primes | 15th | |
| Twin primes (2nd member) | 22nd | |
| Roman numberals | CCXI | CDXXI |
| Base 2 | 110100112 | 1101001012 |
| Base 3 | 212113 | 1201213 |
| Base 4 | 31034 | 122114 |
| Base 5 | 13215 | 31415 |
| Base 6 | 5516 | 15416 |
| Base 7 | 4217 | 11417 |
| Base 8 | 3238 | 6458 |
| Base 9 | 2549 | 5179 |
| Base 10 | 21110 | 42110 |
| Base 11 | 18211 | 35311 |
| Base 12 | 15712 | 2b112 |
| Base 13 | 13313 | 26513 |
| Base 14 | 11114 | 22114 |
| Base 15 | e115 | 1d115 |
| Base 16 | d316 | 1a516 |