Compare 1439 vs 1442
| Property | 1439 | 1442 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 14391 | 21 × 71 × 1031 |
| Prime factorization | 1439 | 2 × 7 × 103 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1439 | 1, 2, 7, 14, 103, 206, 721, 1442 |
| Number of properties | 9 | 0 |
| Additive primes | 124th | |
| Chen primes | 148th | |
| Emirps | 68th | |
| Isolated primes | 135th | |
| Primes | 228th | |
| Safe primes | 32nd | |
| Sexy primes (2nd member) | 99th | |
| Sexy prime triplets (3rd member) | 37th | |
| Sophie germain primes | 47th | |
| Roman numberals | MCDXXXIX | MCDXLII |
| Base 2 | 101100111112 | 101101000102 |
| Base 3 | 12220223 | 12221023 |
| Base 4 | 1121334 | 1122024 |
| Base 5 | 212245 | 212325 |
| Base 6 | 103556 | 104026 |
| Base 7 | 41247 | 41307 |
| Base 8 | 26378 | 26428 |
| Base 9 | 18689 | 18729 |
| Base 10 | 143910 | 144210 |
| Base 11 | 109911 | 10a111 |
| Base 12 | 9bb12 | a0212 |
| Base 13 | 86913 | 86c13 |
| Base 14 | 74b14 | 75014 |
| Base 15 | 65e15 | 66215 |
| Base 16 | 59f16 | 5a216 |