Compare 1153 vs 1621
| Property | 1153 | 1621 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11531 | 16211 |
| Prime factorization | 1153 | 1621 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1153 | 1, 1621 |
| Number of properties | 9 | 8 |
| Chen primes | 163rd | |
| Emirps | 48th | |
| Harmonic primes | 89th | |
| Long primes | 72nd | 101st |
| Pierpont primes | 19th | |
| Primes | 191st | 257th |
| Proth primes | 18th | |
| Pythagorean primes | 93rd | 123rd |
| Sexy primes (1st member) | 111th | |
| Solinas primes | 52nd | |
| Super primes | 43rd | 55th |
| Twin primes (2nd member) | 41st | 52nd |
| Roman numberals | MCLIII | MDCXXI |
| Base 2 | 100100000012 | 110010101012 |
| Base 3 | 11202013 | 20200013 |
| Base 4 | 1020014 | 1211114 |
| Base 5 | 141035 | 224415 |
| Base 6 | 52016 | 113016 |
| Base 7 | 32357 | 45047 |
| Base 8 | 22018 | 31258 |
| Base 9 | 15219 | 22019 |
| Base 10 | 115310 | 162110 |
| Base 11 | 95911 | 124411 |
| Base 12 | 80112 | b3112 |
| Base 13 | 6a913 | 97913 |
| Base 14 | 5c514 | 83b14 |
| Base 15 | 51d15 | 73115 |
| Base 16 | 48116 | 65516 |