Compare 661946 vs 661949
| Property | 661946 | 661949 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 171 × 194691 | 6619491 |
| Prime factorization | 2 × 17 × 19469 | 661949 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 17, 34, 19469, 38938, 330973, 661946 | 1, 661949 |
| Number of properties | 0 | 4 |
| Chen primes | 21008th | |
| Primes | 53713th | |
| Sophie germain primes | 5461st | |
| Twin primes (1st member) | 5795th | |
| Roman numberals | ||
| Base 2 | 101000011001101110102 | 101000011001101111012 |
| Base 3 | 10201220001123 | 10201220001223 |
| Base 4 | 22012123224 | 22012123314 |
| Base 5 | 1321402415 | 1321402445 |
| Base 6 | 221043226 | 221043256 |
| Base 7 | 54246057 | 54246117 |
| Base 8 | 24146728 | 24146758 |
| Base 9 | 12180159 | 12180189 |
| Base 10 | 66194610 | 66194910 |
| Base 11 | 41236a11 | 41237211 |
| Base 12 | 27b0a212 | 27b0a512 |
| Base 13 | 1a23ac13 | 1a23b213 |
| Base 14 | 13333c14 | 13334114 |
| Base 15 | d11eb15 | d11ee15 |
| Base 16 | a19ba16 | a19bd16 |