Compare 2642 vs 2647
| Property | 2642 | 2647 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 13211 | 26471 |
| Prime factorization | 2 × 1321 | 2647 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 1321, 2642 | 1, 2647 |
| Number of properties | 1 | 9 |
| Additive primes | 202nd | |
| Centered heptagonal primes | 9th | |
| Chen primes | 231st | |
| Good primes | 75th | |
| Isolated primes | 236th | |
| Left-truncatable primes | 69th | |
| Lucky primes | 83rd | |
| Primes | 383rd | |
| Semiprimes | 752nd | |
| Super primes | 76th | |
| Roman numberals | MMDCXLII | MMDCXLVII |
| Base 2 | 1010010100102 | 1010010101112 |
| Base 3 | 101212123 | 101220013 |
| Base 4 | 2211024 | 2211134 |
| Base 5 | 410325 | 410425 |
| Base 6 | 201226 | 201316 |
| Base 7 | 104637 | 105017 |
| Base 8 | 51228 | 51278 |
| Base 9 | 35559 | 35619 |
| Base 10 | 264210 | 264710 |
| Base 11 | 1a9211 | 1a9711 |
| Base 12 | 164212 | 164712 |
| Base 13 | 128313 | 128813 |
| Base 14 | d6a14 | d7114 |
| Base 15 | bb215 | bb715 |
| Base 16 | a5216 | a5716 |