Compare 2639 vs 2647
| Property | 2639 | 2647 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 131 × 291 | 26471 |
| Prime factorization | 7 × 13 × 29 | 2647 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 13, 29, 91, 203, 377, 2639 | 1, 2647 |
| Number of properties | 0 | 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 | |
| Super primes | 76th | |
| Roman numberals | MMDCXXXIX | MMDCXLVII |
| Base 2 | 1010010011112 | 1010010101112 |
| Base 3 | 101212023 | 101220013 |
| Base 4 | 2210334 | 2211134 |
| Base 5 | 410245 | 410425 |
| Base 6 | 201156 | 201316 |
| Base 7 | 104607 | 105017 |
| Base 8 | 51178 | 51278 |
| Base 9 | 35529 | 35619 |
| Base 10 | 263910 | 264710 |
| Base 11 | 1a8a11 | 1a9711 |
| Base 12 | 163b12 | 164712 |
| Base 13 | 128013 | 128813 |
| Base 14 | d6714 | d7114 |
| Base 15 | bae15 | bb715 |
| Base 16 | a4f16 | a5716 |