Compare 2245 vs 2251
| Property | 2245 | 2251 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 4491 | 22511 |
| Prime factorization | 5 × 449 | 2251 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 449, 2245 | 1, 2251 |
| Number of properties | 1 | 6 |
| Chen primes | 204th | |
| Harmonic primes | 122nd | |
| Isolated primes | 200th | |
| Long primes | 130th | |
| Lucky primes | 76th | |
| Primes | 335th | |
| Semiprimes | 643rd | |
| Roman numberals | MMCCXLV | MMCCLI |
| Base 2 | 1000110001012 | 1000110010112 |
| Base 3 | 100020113 | 100021013 |
| Base 4 | 2030114 | 2030234 |
| Base 5 | 324405 | 330015 |
| Base 6 | 142216 | 142316 |
| Base 7 | 63557 | 63647 |
| Base 8 | 43058 | 43138 |
| Base 9 | 30649 | 30719 |
| Base 10 | 224510 | 225110 |
| Base 11 | 176111 | 176711 |
| Base 12 | 137112 | 137712 |
| Base 13 | 103913 | 104213 |
| Base 14 | b6514 | b6b14 |
| Base 15 | 9ea15 | a0115 |
| Base 16 | 8c516 | 8cb16 |