Compare 2281 vs 2447
| Property | 2281 | 2447 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 22811 | 24471 |
| Prime factorization | 2281 | 2447 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2281 | 1, 2447 |
| Number of properties | 8 | 9 |
| Additive primes | 178th | 191st |
| Chen primes | 207th | 219th |
| Harmonic primes | 135th | |
| Isolated primes | 202nd | 220th |
| Long primes | 143rd | |
| Lucky primes | 77th | |
| Primes | 339th | 363rd |
| Pythagorean primes | 165th | |
| Safe primes | 43rd | |
| Sexy primes (1st member) | 139th | |
| Sexy primes (2nd member) | 150th | |
| Sexy prime triplets (1st member) | 52nd | |
| Ulam primes | 28th | |
| Roman numberals | MMCCLXXXI | MMCDXLVII |
| Base 2 | 1000111010012 | 1001100011112 |
| Base 3 | 100101113 | 101001223 |
| Base 4 | 2032214 | 2120334 |
| Base 5 | 331115 | 342425 |
| Base 6 | 143216 | 151556 |
| Base 7 | 64367 | 100647 |
| Base 8 | 43518 | 46178 |
| Base 9 | 31149 | 33189 |
| Base 10 | 228110 | 244710 |
| Base 11 | 179411 | 192511 |
| Base 12 | 13a112 | 14bb12 |
| Base 13 | 106613 | 116313 |
| Base 14 | b8d14 | c6b14 |
| Base 15 | a2115 | ad215 |
| Base 16 | 8e916 | 98f16 |