Compare 1583 vs 1901
| Property | 1583 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15831 | 19011 |
| Prime factorization | 1583 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1583 | 1, 1901 |
| Number of properties | 9 | 11 |
| Additive primes | 135th | 154th |
| Centered decagonal primes | 14th | |
| Chen primes | 159th | 179th |
| Cousin primes (2nd member) | 56th | |
| Emirps | 76th | 92nd |
| Harmonic primes | 84th | 106th |
| Isolated primes | 151st | 176th |
| Long primes | 98th | |
| Primes | 250th | 291st |
| Pythagorean primes | 141st | |
| Sexy primes (1st member) | 124th | |
| Sexy prime triplets (1st member) | 49th | |
| Sophie germain primes | 53rd | 58th |
| Roman numberals | MDLXXXIII | MCMI |
| Base 2 | 110001011112 | 111011011012 |
| Base 3 | 20111223 | 21211023 |
| Base 4 | 1202334 | 1312314 |
| Base 5 | 223135 | 301015 |
| Base 6 | 111556 | 124456 |
| Base 7 | 44217 | 53547 |
| Base 8 | 30578 | 35558 |
| Base 9 | 21489 | 25429 |
| Base 10 | 158310 | 190110 |
| Base 11 | 120a11 | 147911 |
| Base 12 | abb12 | 112512 |
| Base 13 | 94a13 | b3313 |
| Base 14 | 81114 | 99b14 |
| Base 15 | 70815 | 86b15 |
| Base 16 | 62f16 | 76d16 |