Compare 1471 vs 1621
| Property | 1471 | 1621 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14711 | 16211 |
| Prime factorization | 1471 | 1621 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1471 | 1, 1621 |
| Number of properties | 9 | 8 |
| Additive primes | 128th | |
| Centered heptagonal primes | 7th | |
| Chen primes | 151st | 163rd |
| Emirps | 70th | |
| Harmonic primes | 79th | 89th |
| Isolated primes | 138th | |
| Long primes | 101st | |
| Lucky primes | 57th | |
| Primes | 233rd | 257th |
| Pythagorean primes | 123rd | |
| Sexy primes (1st member) | 111th | |
| Super primes | 51st | 55th |
| Twin primes (2nd member) | 52nd | |
| Roman numberals | MCDLXXI | MDCXXI |
| Base 2 | 101101111112 | 110010101012 |
| Base 3 | 20001113 | 20200013 |
| Base 4 | 1123334 | 1211114 |
| Base 5 | 213415 | 224415 |
| Base 6 | 104516 | 113016 |
| Base 7 | 42017 | 45047 |
| Base 8 | 26778 | 31258 |
| Base 9 | 20149 | 22019 |
| Base 10 | 147110 | 162110 |
| Base 11 | 111811 | 124411 |
| Base 12 | a2712 | b3112 |
| Base 13 | 89213 | 97913 |
| Base 14 | 77114 | 83b14 |
| Base 15 | 68115 | 73115 |
| Base 16 | 5bf16 | 65516 |