Compare 661949 vs 661954
| Property | 661949 | 661954 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 6619491 | 21 × 291 × 1011 × 1131 |
| Prime factorization | 661949 | 2 × 29 × 101 × 113 |
| Divisors count | 2 | 16 |
| Divisors | 1, 661949 | 1, 2, 29, 58, 101, 113, 202, 226, 2929, 3277, 5858, 6554, 11413, 22826, 330977, 661954 |
| Number of properties | 4 | 0 |
| Chen primes | 21008th | |
| Primes | 53713th | |
| Sophie germain primes | 5461st | |
| Twin primes (1st member) | 5795th | |
| Roman numberals | ||
| Base 2 | 101000011001101111012 | 101000011001110000102 |
| Base 3 | 10201220001223 | 10201220002113 |
| Base 4 | 22012123314 | 22012130024 |
| Base 5 | 1321402445 | 1321403045 |
| Base 6 | 221043256 | 221043346 |
| Base 7 | 54246117 | 54246167 |
| Base 8 | 24146758 | 24147028 |
| Base 9 | 12180189 | 12180249 |
| Base 10 | 66194910 | 66195410 |
| Base 11 | 41237211 | 41237711 |
| Base 12 | 27b0a512 | 27b0aa12 |
| Base 13 | 1a23b213 | 1a23b713 |
| Base 14 | 13334114 | 13334614 |
| Base 15 | d11ee15 | d120415 |
| Base 16 | a19bd16 | a19c216 |