Compare 251 vs 2671
| Property | 251 | 2671 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2511 | 26711 |
| Prime factorization | 251 | 2671 |
| Divisors count | 2 | 2 |
| Divisors | 1, 251 | 1, 2671 |
| Number of properties | 10 | 6 |
| Chen primes | 41st | |
| Good primes | 19th | |
| Harmonic primes | 20th | |
| Isolated primes | 21st | 238th |
| Lucky primes | 84th | |
| Primes | 54th | 387th |
| Sexy primes (1st member) | 30th | 155th |
| Sexy prime quadrupletss (1st member) | 5th | 14th |
| Sexy prime triplets (1st member) | 15th | 56th |
| Solinas primes | 30th | |
| Sophie germain primes | 18th | |
| Roman numberals | CCLI | MMDCLXXI |
| Base 2 | 111110112 | 1010011011112 |
| Base 3 | 1000223 | 101222213 |
| Base 4 | 33234 | 2212334 |
| Base 5 | 20015 | 411415 |
| Base 6 | 10556 | 202116 |
| Base 7 | 5067 | 105347 |
| Base 8 | 3738 | 51578 |
| Base 9 | 3089 | 35879 |
| Base 10 | 25110 | 267110 |
| Base 11 | 20911 | 200911 |
| Base 12 | 18b12 | 166712 |
| Base 13 | 16413 | 12a613 |
| Base 14 | 13d14 | d8b14 |
| Base 15 | 11b15 | bd115 |
| Base 16 | fb16 | a6f16 |