Compare 1373 vs 1553
| Property | 1373 | 1553 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13731 | 15531 |
| Prime factorization | 1373 | 1553 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1373 | 1, 1553 |
| Number of properties | 7 | 8 |
| Chen primes | 156th | |
| Cousin primes (2nd member) | 54th | |
| Happy primes | 43rd | |
| Isolated primes | 129th | 146th |
| Left-truncatable primes | 58th | |
| Long primes | 94th | |
| Primes | 220th | 245th |
| Pythagorean primes | 108th | 118th |
| Sexy primes (1st member) | 107th | |
| Sexy primes (2nd member) | 96th | |
| Sexy prime triplets (3rd member) | 36th | |
| Ulam primes | 23rd | |
| Roman numberals | MCCCLXXIII | MDLIII |
| Base 2 | 101010111012 | 110000100012 |
| Base 3 | 12122123 | 20101123 |
| Base 4 | 1111314 | 1201014 |
| Base 5 | 204435 | 222035 |
| Base 6 | 102056 | 111056 |
| Base 7 | 40017 | 43467 |
| Base 8 | 25358 | 30218 |
| Base 9 | 17859 | 21159 |
| Base 10 | 137310 | 155310 |
| Base 11 | 103911 | 119211 |
| Base 12 | 96512 | a9512 |
| Base 13 | 81813 | 92613 |
| Base 14 | 70114 | 7cd14 |
| Base 15 | 61815 | 6d815 |
| Base 16 | 55d16 | 61116 |