Compare 2221 vs 2647
| Property | 2221 | 2647 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22211 | 26471 |
| Prime factorization | 2221 | 2647 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2221 | 1, 2647 |
| Number of properties | 8 | 9 |
| Additive primes | 174th | 202nd |
| Centered heptagonal primes | 9th | |
| Chen primes | 231st | |
| Good primes | 75th | |
| Happy primes | 59th | |
| Isolated primes | 198th | 236th |
| Left-truncatable primes | 69th | |
| Long primes | 129th | |
| Lucky primes | 74th | 83rd |
| Primes | 331st | 383rd |
| Pythagorean primes | 161st | |
| Super primes | 67th | 76th |
| Roman numberals | MMCCXXI | MMDCXLVII |
| Base 2 | 1000101011012 | 1010010101112 |
| Base 3 | 100010213 | 101220013 |
| Base 4 | 2022314 | 2211134 |
| Base 5 | 323415 | 410425 |
| Base 6 | 141416 | 201316 |
| Base 7 | 63227 | 105017 |
| Base 8 | 42558 | 51278 |
| Base 9 | 30379 | 35619 |
| Base 10 | 222110 | 264710 |
| Base 11 | 173a11 | 1a9711 |
| Base 12 | 135112 | 164712 |
| Base 13 | 101b13 | 128813 |
| Base 14 | b4914 | d7114 |
| Base 15 | 9d115 | bb715 |
| Base 16 | 8ad16 | a5716 |