Compare 1553 vs 1667
| Property | 1553 | 1667 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15531 | 16671 |
| Prime factorization | 1553 | 1667 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1553 | 1, 1667 |
| Number of properties | 8 | 6 |
| Chen primes | 156th | 165th |
| Cousin primes (2nd member) | 54th | 59th |
| Harmonic primes | 92nd | |
| Isolated primes | 146th | |
| Long primes | 94th | |
| Primes | 245th | 262nd |
| Prime triplets (2nd member) | 43rd | |
| Pythagorean primes | 118th | |
| Sexy primes (1st member) | 107th | |
| Twin primes (1st member) | 53rd | |
| Ulam primes | 23rd | |
| Roman numberals | MDLIII | MDCLXVII |
| Base 2 | 110000100012 | 110100000112 |
| Base 3 | 20101123 | 20212023 |
| Base 4 | 1201014 | 1220034 |
| Base 5 | 222035 | 231325 |
| Base 6 | 111056 | 114156 |
| Base 7 | 43467 | 46017 |
| Base 8 | 30218 | 32038 |
| Base 9 | 21159 | 22529 |
| Base 10 | 155310 | 166710 |
| Base 11 | 119211 | 128611 |
| Base 12 | a9512 | b6b12 |
| Base 13 | 92613 | 9b313 |
| Base 14 | 7cd14 | 87114 |
| Base 15 | 6d815 | 76215 |
| Base 16 | 61116 | 68316 |