Compare 2645 vs 2647
| Property | 2645 | 2647 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 232 | 26471 |
| Prime factorization | 5 × 23 × 23 | 2647 |
| Divisors count | 6 | 2 |
| Divisors | 1, 5, 23, 115, 529, 2645 | 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 | MMDCXLV | MMDCXLVII |
| Base 2 | 1010010101012 | 1010010101112 |
| Base 3 | 101212223 | 101220013 |
| Base 4 | 2211114 | 2211134 |
| Base 5 | 410405 | 410425 |
| Base 6 | 201256 | 201316 |
| Base 7 | 104667 | 105017 |
| Base 8 | 51258 | 51278 |
| Base 9 | 35589 | 35619 |
| Base 10 | 264510 | 264710 |
| Base 11 | 1a9511 | 1a9711 |
| Base 12 | 164512 | 164712 |
| Base 13 | 128613 | 128813 |
| Base 14 | d6d14 | d7114 |
| Base 15 | bb515 | bb715 |
| Base 16 | a5516 | a5716 |