Compare 211 vs 1901
| Property | 211 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2111 | 19011 |
| Prime factorization | 211 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 211 | 1, 1901 |
| Number of properties | 8 | 11 |
| Additive primes | 154th | |
| Centered decagonal primes | 6th | 14th |
| Chen primes | 37th | 179th |
| Emirps | 92nd | |
| Euclid primes | 5th | |
| Harmonic primes | 106th | |
| Isolated primes | 18th | 176th |
| Lucky primes | 14th | |
| Multiplicative primes | 12th | |
| Primes | 47th | 291st |
| Pythagorean primes | 141st | |
| Sexy primes (1st member) | 124th | |
| Sexy prime triplets (1st member) | 49th | |
| Sophie germain primes | 58th | |
| Super primes | 15th | |
| Roman numberals | CCXI | MCMI |
| Base 2 | 110100112 | 111011011012 |
| Base 3 | 212113 | 21211023 |
| Base 4 | 31034 | 1312314 |
| Base 5 | 13215 | 301015 |
| Base 6 | 5516 | 124456 |
| Base 7 | 4217 | 53547 |
| Base 8 | 3238 | 35558 |
| Base 9 | 2549 | 25429 |
| Base 10 | 21110 | 190110 |
| Base 11 | 18211 | 147911 |
| Base 12 | 15712 | 112512 |
| Base 13 | 13313 | b3313 |
| Base 14 | 11114 | 99b14 |
| Base 15 | e115 | 86b15 |
| Base 16 | d316 | 76d16 |