Compare 121661 vs 121663
| Property | 121661 | 121663 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1216611 | 891 × 13671 |
| Prime factorization | 121661 | 89 × 1367 |
| Divisors count | 2 | 4 |
| Divisors | 1, 121661 | 1, 89, 1367, 121663 |
| Number of properties | 7 | 1 |
| Additive primes | 4714th | |
| Chen primes | 4966th | |
| Happy primes | 1794th | |
| Isolated primes | 8575th | |
| Long primes | 4290th | |
| Primes | 11452nd | |
| Pythagorean primes | 5696th | |
| Semiprimes | 28193rd | |
| Roman numberals | ||
| Base 2 | 111011011001111012 | 111011011001111112 |
| Base 3 | 200112122223 | 200112200013 |
| Base 4 | 1312303314 | 1312303334 |
| Base 5 | 123431215 | 123431235 |
| Base 6 | 23351256 | 23351316 |
| Base 7 | 10144617 | 10144637 |
| Base 8 | 3554758 | 3554778 |
| Base 9 | 2047889 | 2048019 |
| Base 10 | 12166110 | 12166310 |
| Base 11 | 8345111 | 8345311 |
| Base 12 | 5a4a512 | 5a4a712 |
| Base 13 | 434b713 | 434b913 |
| Base 14 | 324a114 | 324a314 |
| Base 15 | 260ab15 | 260ad15 |
| Base 16 | 1db3d16 | 1db3f16 |