Compare 2447 vs 2551
| Property | 2447 | 2551 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 24471 | 25511 |
| Prime factorization | 2447 | 2551 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2447 | 1, 2551 |
| Number of properties | 9 | 4 |
| Additive primes | 191st | 195th |
| Chen primes | 219th | |
| Harmonic primes | 135th | |
| Isolated primes | 220th | |
| Long primes | 143rd | |
| Primes | 363rd | 374th |
| Safe primes | 43rd | |
| Sexy primes (1st member) | 153rd | |
| Sexy primes (2nd member) | 150th | |
| Twin primes (2nd member) | 73rd | |
| Ulam primes | 28th | |
| Roman numberals | MMCDXLVII | MMDLI |
| Base 2 | 1001100011112 | 1001111101112 |
| Base 3 | 101001223 | 101111113 |
| Base 4 | 2120334 | 2133134 |
| Base 5 | 342425 | 402015 |
| Base 6 | 151556 | 154516 |
| Base 7 | 100647 | 103037 |
| Base 8 | 46178 | 47678 |
| Base 9 | 33189 | 34449 |
| Base 10 | 244710 | 255110 |
| Base 11 | 192511 | 1a0a11 |
| Base 12 | 14bb12 | 158712 |
| Base 13 | 116313 | 121313 |
| Base 14 | c6b14 | d0314 |
| Base 15 | ad215 | b5115 |
| Base 16 | 98f16 | 9f716 |