Compare 251 vs 769
| Property | 251 | 769 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2511 | 7691 |
| Prime factorization | 251 | 769 |
| Divisors count | 2 | 2 |
| Divisors | 1, 251 | 1, 769 |
| Number of properties | 10 | 13 |
| Chen primes | 41st | 92nd |
| Cousin primes (1st member) | 33rd | |
| Cuban primes 2 | 5th | |
| Emirps | 28th | |
| Good primes | 19th | |
| Harmonic primes | 20th | 53rd |
| Isolated primes | 21st | 77th |
| Lucky primes | 37th | |
| Pierpont primes | 18th | |
| Primes | 54th | 136th |
| Proth primes | 16th | |
| Pythagorean primes | 65th | |
| Sexy primes (1st member) | 30th | |
| Sexy prime quadrupletss (1st member) | 5th | |
| Sexy prime triplets (1st member) | 15th | |
| Solinas primes | 30th | 42nd |
| Sophie germain primes | 18th | |
| Thabit primes of the 2nd kind | 5th | |
| Roman numberals | CCLI | DCCLXIX |
| Base 2 | 111110112 | 11000000012 |
| Base 3 | 1000223 | 10011113 |
| Base 4 | 33234 | 300014 |
| Base 5 | 20015 | 110345 |
| Base 6 | 10556 | 33216 |
| Base 7 | 5067 | 21467 |
| Base 8 | 3738 | 14018 |
| Base 9 | 3089 | 10449 |
| Base 10 | 25110 | 76910 |
| Base 11 | 20911 | 63a11 |
| Base 12 | 18b12 | 54112 |
| Base 13 | 16413 | 47213 |
| Base 14 | 13d14 | 3cd14 |
| Base 15 | 11b15 | 36415 |
| Base 16 | fb16 | 30116 |