Compare 1453 vs 1621
| Property | 1453 | 1621 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14531 | 16211 |
| Prime factorization | 1453 | 1621 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1453 | 1, 1621 |
| Number of properties | 11 | 8 |
| Additive primes | 126th | |
| Chen primes | 163rd | |
| Cuban primes 2 | 7th | |
| Emirps | 69th | |
| Harmonic primes | 77th | 89th |
| Long primes | 101st | |
| Primes | 231st | 257th |
| Prime triplets (3rd member) | 38th | |
| Pythagorean primes | 113th | 123rd |
| Sexy primes (1st member) | 101st | 111th |
| Sexy primes (2nd member) | 100th | |
| Sexy prime triplets (2nd member) | 38th | |
| Super primes | 55th | |
| Twin primes (2nd member) | 48th | 52nd |
| Roman numberals | MCDLIII | MDCXXI |
| Base 2 | 101101011012 | 110010101012 |
| Base 3 | 12222113 | 20200013 |
| Base 4 | 1122314 | 1211114 |
| Base 5 | 213035 | 224415 |
| Base 6 | 104216 | 113016 |
| Base 7 | 41447 | 45047 |
| Base 8 | 26558 | 31258 |
| Base 9 | 18849 | 22019 |
| Base 10 | 145310 | 162110 |
| Base 11 | 110111 | 124411 |
| Base 12 | a1112 | b3112 |
| Base 13 | 87a13 | 97913 |
| Base 14 | 75b14 | 83b14 |
| Base 15 | 66d15 | 73115 |
| Base 16 | 5ad16 | 65516 |