Compare 1439 vs 1553
| Property | 1439 | 1553 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14391 | 15531 |
| Prime factorization | 1439 | 1553 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1439 | 1, 1553 |
| Number of properties | 9 | 8 |
| Additive primes | 124th | |
| Chen primes | 148th | 156th |
| Cousin primes (2nd member) | 54th | |
| Emirps | 68th | |
| Isolated primes | 135th | 146th |
| Long primes | 94th | |
| Primes | 228th | 245th |
| Pythagorean primes | 118th | |
| Safe primes | 32nd | |
| Sexy primes (1st member) | 107th | |
| Sexy primes (2nd member) | 99th | |
| Sexy prime triplets (3rd member) | 37th | |
| Sophie germain primes | 47th | |
| Ulam primes | 23rd | |
| Roman numberals | MCDXXXIX | MDLIII |
| Base 2 | 101100111112 | 110000100012 |
| Base 3 | 12220223 | 20101123 |
| Base 4 | 1121334 | 1201014 |
| Base 5 | 212245 | 222035 |
| Base 6 | 103556 | 111056 |
| Base 7 | 41247 | 43467 |
| Base 8 | 26378 | 30218 |
| Base 9 | 18689 | 21159 |
| Base 10 | 143910 | 155310 |
| Base 11 | 109911 | 119211 |
| Base 12 | 9bb12 | a9512 |
| Base 13 | 86913 | 92613 |
| Base 14 | 74b14 | 7cd14 |
| Base 15 | 65e15 | 6d815 |
| Base 16 | 59f16 | 61116 |