Compare 12639 vs 12647
| Property | 12639 | 12647 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 111 × 3831 | 126471 |
| Prime factorization | 3 × 11 × 383 | 12647 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 383, 1149, 4213, 12639 | 1, 12647 |
| Number of properties | 0 | 11 |
| Isolated primes | 1024th | |
| Left-truncatable primes | 156th | |
| Long primes | 588th | |
| Primes | 1511th | |
| Safe primes | 140th | |
| Sexy primes (1st member) | 485th | |
| Sexy primes (2nd member) | 484th | |
| Sexy prime quadrupletss (2nd member) | 27th | |
| Sexy prime triplets (1st member) | 138th | |
| Sexy prime triplets (2nd member) | 137th | |
| Super primes | 240th | |
| Roman numberals | ||
| Base 2 | 110001010111112 | 110001011001112 |
| Base 3 | 1221000103 | 1221001023 |
| Base 4 | 30111334 | 30112134 |
| Base 5 | 4010245 | 4010425 |
| Base 6 | 1343036 | 1343156 |
| Base 7 | 515647 | 516057 |
| Base 8 | 305378 | 305478 |
| Base 9 | 183039 | 183129 |
| Base 10 | 1263910 | 1264710 |
| Base 11 | 955011 | 955811 |
| Base 12 | 739312 | 739b12 |
| Base 13 | 59a313 | 59ab13 |
| Base 14 | 486b14 | 487514 |
| Base 15 | 3b2915 | 3b3215 |
| Base 16 | 315f16 | 316716 |