Compare 1373 vs 1663
| Property | 1373 | 1663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13731 | 16631 |
| Prime factorization | 1373 | 1663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1373 | 1, 1663 |
| Number of properties | 7 | 11 |
| Cousin primes (1st member) | 59th | |
| Happy primes | 43rd | 50th |
| Harmonic primes | 91st | |
| Isolated primes | 129th | 158th |
| Left-truncatable primes | 58th | |
| Long primes | 102nd | |
| Lucky primes | 62nd | |
| Primes | 220th | 261st |
| Prime triplets (1st member) | 43rd | |
| Pythagorean primes | 108th | |
| Sexy primes (1st member) | 113th | |
| Sexy primes (2nd member) | 96th | 112th |
| Sexy prime triplets (2nd member) | 43rd | |
| Sexy prime triplets (3rd member) | 36th | |
| Roman numberals | MCCCLXXIII | MDCLXIII |
| Base 2 | 101010111012 | 110011111112 |
| Base 3 | 12122123 | 20211213 |
| Base 4 | 1111314 | 1213334 |
| Base 5 | 204435 | 231235 |
| Base 6 | 102056 | 114116 |
| Base 7 | 40017 | 45647 |
| Base 8 | 25358 | 31778 |
| Base 9 | 17859 | 22479 |
| Base 10 | 137310 | 166310 |
| Base 11 | 103911 | 128211 |
| Base 12 | 96512 | b6712 |
| Base 13 | 81813 | 9ac13 |
| Base 14 | 70114 | 86b14 |
| Base 15 | 61815 | 75d15 |
| Base 16 | 55d16 | 67f16 |