Compare 1993 vs 2647
| Property | 1993 | 2647 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19931 | 26471 |
| Prime factorization | 1993 | 2647 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1993 | 1, 2647 |
| Number of properties | 10 | 9 |
| Additive primes | 202nd | |
| Centered heptagonal primes | 9th | |
| Chen primes | 231st | |
| Cousin primes (1st member) | 64th | |
| Good primes | 63rd | 75th |
| Harmonic primes | 112th | |
| Isolated primes | 182nd | 236th |
| Left-truncatable primes | 69th | |
| Lucky primes | 83rd | |
| Primes | 301st | 383rd |
| Prime triplets (1st member) | 49th | |
| Pythagorean primes | 146th | |
| Sexy primes (1st member) | 128th | |
| Sexy primes (2nd member) | 127th | |
| Sexy prime triplets (2nd member) | 50th | |
| Super primes | 76th | |
| Roman numberals | MCMXCIII | MMDCXLVII |
| Base 2 | 111110010012 | 1010010101112 |
| Base 3 | 22012113 | 101220013 |
| Base 4 | 1330214 | 2211134 |
| Base 5 | 304335 | 410425 |
| Base 6 | 131216 | 201316 |
| Base 7 | 55457 | 105017 |
| Base 8 | 37118 | 51278 |
| Base 9 | 26549 | 35619 |
| Base 10 | 199310 | 264710 |
| Base 11 | 155211 | 1a9711 |
| Base 12 | 11a112 | 164712 |
| Base 13 | ba413 | 128813 |
| Base 14 | a2514 | d7114 |
| Base 15 | 8cd15 | bb715 |
| Base 16 | 7c916 | a5716 |