Compare 2646 vs 2647
| Property | 2646 | 2647 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 21 × 33 × 72 | 26471 |
| Prime factorization | 2 × 3 × 3 × 3 × 7 × 7 | 2647 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646 | 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 | MMDCXLVI | MMDCXLVII |
| Base 2 | 1010010101102 | 1010010101112 |
| Base 3 | 101220003 | 101220013 |
| Base 4 | 2211124 | 2211134 |
| Base 5 | 410415 | 410425 |
| Base 6 | 201306 | 201316 |
| Base 7 | 105007 | 105017 |
| Base 8 | 51268 | 51278 |
| Base 9 | 35609 | 35619 |
| Base 10 | 264610 | 264710 |
| Base 11 | 1a9611 | 1a9711 |
| Base 12 | 164612 | 164712 |
| Base 13 | 128713 | 128813 |
| Base 14 | d7014 | d7114 |
| Base 15 | bb615 | bb715 |
| Base 16 | a5616 | a5716 |