Compare 661873 vs 668471
| Property | 661873 | 668471 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6618731 | 6684711 |
| Prime factorization | 661873 | 668471 |
| Divisors count | 2 | 2 |
| Divisors | 1, 661873 | 1, 668471 |
| Number of properties | 7 | 6 |
| Additive primes | 20965th | |
| Chen primes | 21184th | |
| Cousin primes (1st member) | 5790th | |
| Good primes | 2035th | 2039th |
| Isolated primes | 42119th | 42494th |
| Primes | 53704th | 54193rd |
| Prime triplets (1st member) | 2108th | |
| Sexy primes (1st member) | 11596th | |
| Sophie germain primes | 5511th | |
| Super primes | 5517th | |
| Roman numberals | ||
| Base 2 | 101000011001011100012 | 101000110011001101112 |
| Base 3 | 10201212202113 | 10202212220123 |
| Base 4 | 22012113014 | 22030303134 |
| Base 5 | 1321344435 | 1323423415 |
| Base 6 | 221041216 | 221544356 |
| Base 7 | 54244427 | 54526167 |
| Base 8 | 24145618 | 24314678 |
| Base 9 | 12178249 | 12278659 |
| Base 10 | 66187310 | 66847110 |
| Base 11 | 41230311 | 41726111 |
| Base 12 | 27b04112 | 282a1b12 |
| Base 13 | 1a235413 | 1a535b13 |
| Base 14 | 1332c914 | 13587d14 |
| Base 15 | d119d15 | d30eb15 |
| Base 16 | a197116 | a333716 |