Compare 1373 vs 1481
| Property | 1373 | 1481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13731 | 14811 |
| Prime factorization | 1373 | 1481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1373 | 1, 1481 |
| Number of properties | 7 | 13 |
| Chen primes | 152nd | |
| Happy primes | 43rd | 46th |
| Harmonic primes | 80th | |
| Isolated primes | 129th | |
| Left-truncatable primes | 58th | |
| Primes | 220th | 234th |
| Prime quadruplets (1st member) | 6th | |
| Prime quintuplet 2s (1st member) | 4th | |
| Prime triplets (1st member) | 39th | |
| Pythagorean primes | 108th | 114th |
| Sexy primes (1st member) | 102nd | |
| Sexy primes (2nd member) | 96th | |
| Sexy prime quadrupletss (1st member) | 9th | |
| Sexy prime triplets (1st member) | 39th | |
| Sexy prime triplets (3rd member) | 36th | |
| Sophie germain primes | 49th | |
| Twin primes (1st member) | 49th | |
| Roman numberals | MCCCLXXIII | MCDLXXXI |
| Base 2 | 101010111012 | 101110010012 |
| Base 3 | 12122123 | 20002123 |
| Base 4 | 1111314 | 1130214 |
| Base 5 | 204435 | 214115 |
| Base 6 | 102056 | 105056 |
| Base 7 | 40017 | 42147 |
| Base 8 | 25358 | 27118 |
| Base 9 | 17859 | 20259 |
| Base 10 | 137310 | 148110 |
| Base 11 | 103911 | 112711 |
| Base 12 | 96512 | a3512 |
| Base 13 | 81813 | 89c13 |
| Base 14 | 70114 | 77b14 |
| Base 15 | 61815 | 68b15 |
| Base 16 | 55d16 | 5c916 |