Compare 1373 vs 1409
| Property | 1373 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13731 | 14091 |
| Prime factorization | 1373 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1373 | 1, 1409 |
| Number of properties | 7 | 8 |
| Chen primes | 146th | |
| Emirps | 66th | |
| Happy primes | 43rd | |
| Isolated primes | 129th | 132nd |
| Left-truncatable primes | 58th | |
| Primes | 220th | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 108th | 110th |
| Sexy primes (2nd member) | 96th | |
| Sexy prime triplets (3rd member) | 36th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Roman numberals | MCCCLXXIII | MCDIX |
| Base 2 | 101010111012 | 101100000012 |
| Base 3 | 12122123 | 12210123 |
| Base 4 | 1111314 | 1120014 |
| Base 5 | 204435 | 211145 |
| Base 6 | 102056 | 103056 |
| Base 7 | 40017 | 40527 |
| Base 8 | 25358 | 26018 |
| Base 9 | 17859 | 18359 |
| Base 10 | 137310 | 140910 |
| Base 11 | 103911 | 107111 |
| Base 12 | 96512 | 99512 |
| Base 13 | 81813 | 84513 |
| Base 14 | 70114 | 72914 |
| Base 15 | 61815 | 63e15 |
| Base 16 | 55d16 | 58116 |