Compare 547 vs 1801
| Property | 547 | 1801 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5471 | 18011 |
| Prime factorization | 547 | 1801 |
| Divisors count | 2 | 2 |
| Divisors | 1, 547 | 1, 1801 |
| Number of properties | 8 | 7 |
| Centered heptagonal primes | 5th | |
| Chen primes | 174th | |
| Cuban primes 1 | 9th | 13th |
| Harmonic primes | 42nd | 99th |
| Isolated primes | 52nd | 168th |
| Left-truncatable primes | 35th | |
| Lucky primes | 66th | |
| Primes | 101st | 279th |
| Pythagorean primes | 136th | |
| Sexy primes (2nd member) | 48th | |
| Super primes | 26th | |
| Roman numberals | DXLVII | MDCCCI |
| Base 2 | 10001000112 | 111000010012 |
| Base 3 | 2020213 | 21102013 |
| Base 4 | 202034 | 1300214 |
| Base 5 | 41425 | 242015 |
| Base 6 | 23116 | 122016 |
| Base 7 | 14117 | 51527 |
| Base 8 | 10438 | 34118 |
| Base 9 | 6679 | 24219 |
| Base 10 | 54710 | 180110 |
| Base 11 | 45811 | 139811 |
| Base 12 | 39712 | 106112 |
| Base 13 | 33113 | a8713 |
| Base 14 | 2b114 | 92914 |
| Base 15 | 26715 | 80115 |
| Base 16 | 22316 | 70916 |