Compare 61981 vs 61993
| Property | 61981 | 61993 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 619811 | 471 × 13191 |
| Prime factorization | 61981 | 47 × 1319 |
| Divisors count | 2 | 4 |
| Divisors | 1, 61981 | 1, 47, 1319, 61993 |
| Number of properties | 4 | 1 |
| Primes | 6230th | |
| Pythagorean primes | 3107th | |
| Semiprimes | 14830th | |
| Sexy primes (1st member) | 1675th | |
| Twin primes (2nd member) | 827th | |
| Roman numberals | ||
| Base 2 | 11110010000111012 | 11110010001010012 |
| Base 3 | 100110001213 | 100110010013 |
| Base 4 | 330201314 | 330202214 |
| Base 5 | 34404115 | 34404335 |
| Base 6 | 11545416 | 11550016 |
| Base 7 | 3454637 | 3455117 |
| Base 8 | 1710358 | 1710518 |
| Base 9 | 1040179 | 1040319 |
| Base 10 | 6198110 | 6199310 |
| Base 11 | 4262711 | 4263811 |
| Base 12 | 2ba5112 | 2ba6112 |
| Base 13 | 2229a13 | 222a913 |
| Base 14 | 1883314 | 1884114 |
| Base 15 | 1357115 | 1357d15 |
| Base 16 | f21d16 | f22916 |