Compare 1201 vs 1901
| Property | 1201 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12011 | 19011 |
| Prime factorization | 1201 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1201 | 1, 1901 |
| Number of properties | 11 | 11 |
| Additive primes | 154th | |
| Centered decagonal primes | 11th | 14th |
| Centered square primes | 12th | |
| Chen primes | 130th | 179th |
| Cuban primes 2 | 6th | |
| Emirps | 51st | 92nd |
| Harmonic primes | 69th | 106th |
| Isolated primes | 116th | 176th |
| Lucky primes | 51st | |
| Primes | 197th | 291st |
| Pythagorean primes | 96th | 141st |
| Sexy primes (1st member) | 124th | |
| Sexy prime triplets (1st member) | 49th | |
| Sophie germain primes | 58th | |
| Super primes | 45th | |
| Roman numberals | MCCI | MCMI |
| Base 2 | 100101100012 | 111011011012 |
| Base 3 | 11221113 | 21211023 |
| Base 4 | 1023014 | 1312314 |
| Base 5 | 143015 | 301015 |
| Base 6 | 53216 | 124456 |
| Base 7 | 33347 | 53547 |
| Base 8 | 22618 | 35558 |
| Base 9 | 15749 | 25429 |
| Base 10 | 120110 | 190110 |
| Base 11 | 9a211 | 147911 |
| Base 12 | 84112 | 112512 |
| Base 13 | 71513 | b3313 |
| Base 14 | 61b14 | 99b14 |
| Base 15 | 55115 | 86b15 |
| Base 16 | 4b116 | 76d16 |