Compare 1901 vs 2017
| Property | 1901 | 2017 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19011 | 20171 |
| Prime factorization | 1901 | 2017 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1901 | 1, 2017 |
| Number of properties | 11 | 7 |
| Additive primes | 154th | |
| Centered decagonal primes | 14th | |
| Chen primes | 179th | 187th |
| Emirps | 92nd | |
| Harmonic primes | 106th | |
| Isolated primes | 176th | 185th |
| Long primes | 117th | |
| Primes | 291st | 306th |
| Pythagorean primes | 141st | 148th |
| Sexy primes (1st member) | 124th | |
| Sexy primes (2nd member) | 130th | |
| Sexy prime triplets (1st member) | 49th | |
| Solinas primes | 54th | |
| Sophie germain primes | 58th | |
| Roman numberals | MCMI | MMXVII |
| Base 2 | 111011011012 | 111111000012 |
| Base 3 | 21211023 | 22022013 |
| Base 4 | 1312314 | 1332014 |
| Base 5 | 301015 | 310325 |
| Base 6 | 124456 | 132016 |
| Base 7 | 53547 | 56117 |
| Base 8 | 35558 | 37418 |
| Base 9 | 25429 | 26819 |
| Base 10 | 190110 | 201710 |
| Base 11 | 147911 | 157411 |
| Base 12 | 112512 | 120112 |
| Base 13 | b3313 | bc213 |
| Base 14 | 99b14 | a4114 |
| Base 15 | 86b15 | 8e715 |
| Base 16 | 76d16 | 7e116 |