Compare 663949 vs 663961
| Property | 663949 | 663961 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 111 × 131 × 46431 | 6639611 |
| Prime factorization | 11 × 13 × 4643 | 663961 |
| Divisors count | 8 | 2 |
| Divisors | 1, 11, 13, 143, 4643, 51073, 60359, 663949 | 1, 663961 |
| Number of properties | 0 | 7 |
| Additive primes | 21026th | |
| Primes | 53861st | |
| Sexy primes (1st member) | 11625th | |
| Sexy prime quadrupletss (1st member) | 238th | |
| Sexy prime triplets (1st member) | 2119th | |
| Super primes | 5487th | |
| Twin primes (2nd member) | 5815th | |
| Roman numberals | ||
| Base 2 | 101000100001100011012 | 101000100001100110012 |
| Base 3 | 10202012022013 | 10202012100113 |
| Base 4 | 22020120314 | 22020121214 |
| Base 5 | 1322212445 | 1322213215 |
| Base 6 | 221215016 | 221215216 |
| Base 7 | 54334667 | 54335147 |
| Base 8 | 24206158 | 24206318 |
| Base 9 | 12216819 | 12217049 |
| Base 10 | 66394910 | 66396110 |
| Base 11 | 41392011 | 41393111 |
| Base 12 | 28029112 | 2802a112 |
| Base 13 | 1a329013 | 1a329c13 |
| Base 14 | 133d6d14 | 133d7b14 |
| Base 15 | d1ad415 | d1ae115 |
| Base 16 | a218d16 | a219916 |