Compare 639929 vs 639937
| Property | 639929 | 639937 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 231 × 278231 | 6399371 |
| Prime factorization | 23 × 27823 | 639937 |
| Divisors count | 4 | 2 |
| Divisors | 1, 23, 27823, 639929 | 1, 639937 |
| Number of properties | 1 | 6 |
| Additive primes | 20347th | |
| Cousin primes (1st member) | 5631st | |
| Good primes | 1986th | |
| Isolated primes | 40808th | |
| Primes | 52069th | |
| Semiprimes | 137130th | |
| Super primes | 5326th | |
| Roman numberals | ||
| Base 2 | 100111000011101110012 | 100111000011110000012 |
| Base 3 | 10121112110023 | 10121112111013 |
| Base 4 | 21300323214 | 21300330014 |
| Base 5 | 1304342045 | 1304342225 |
| Base 6 | 214143456 | 214144016 |
| Base 7 | 53034537 | 53034647 |
| Base 8 | 23416718 | 23417018 |
| Base 9 | 11747329 | 11747419 |
| Base 10 | 63992910 | 63993710 |
| Base 11 | 3a787411 | 3a788111 |
| Base 12 | 26a3b512 | 26a40112 |
| Base 13 | 19537413 | 19537c13 |
| Base 14 | 1292d314 | 1292db14 |
| Base 15 | c991e15 | c992715 |
| Base 16 | 9c3b916 | 9c3c116 |