Compare 1553 vs 1583
| Property | 1553 | 1583 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15531 | 15831 |
| Prime factorization | 1553 | 1583 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1553 | 1, 1583 |
| Number of properties | 8 | 9 |
| Additive primes | 135th | |
| Chen primes | 156th | 159th |
| Cousin primes (2nd member) | 54th | 56th |
| Emirps | 76th | |
| Harmonic primes | 84th | |
| Isolated primes | 146th | 151st |
| Long primes | 94th | 98th |
| Primes | 245th | 250th |
| Pythagorean primes | 118th | |
| Sexy primes (1st member) | 107th | |
| Sophie germain primes | 53rd | |
| Ulam primes | 23rd | |
| Roman numberals | MDLIII | MDLXXXIII |
| Base 2 | 110000100012 | 110001011112 |
| Base 3 | 20101123 | 20111223 |
| Base 4 | 1201014 | 1202334 |
| Base 5 | 222035 | 223135 |
| Base 6 | 111056 | 111556 |
| Base 7 | 43467 | 44217 |
| Base 8 | 30218 | 30578 |
| Base 9 | 21159 | 21489 |
| Base 10 | 155310 | 158310 |
| Base 11 | 119211 | 120a11 |
| Base 12 | a9512 | abb12 |
| Base 13 | 92613 | 94a13 |
| Base 14 | 7cd14 | 81114 |
| Base 15 | 6d815 | 70815 |
| Base 16 | 61116 | 62f16 |