Compare 401858 vs 401861
| Property | 401858 | 401861 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 2009291 | 4018611 |
| Prime factorization | 2 × 200929 | 401861 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 200929, 401858 | 1, 401861 |
| Number of properties | 1 | 4 |
| Centered decagonal primes | 119th | |
| Isolated primes | 26362nd | |
| Primes | 33989th | |
| Semiprimes | 87959th | |
| Sexy primes (1st member) | 7669th | |
| Roman numberals | ||
| Base 2 | 11000100001110000102 | 11000100001110001012 |
| Base 3 | 2021020201223 | 2021020202023 |
| Base 4 | 12020130024 | 12020130114 |
| Base 5 | 1003244135 | 1003244215 |
| Base 6 | 123402426 | 123402456 |
| Base 7 | 32624127 | 32624157 |
| Base 8 | 14207028 | 14207058 |
| Base 9 | 6722189 | 6722229 |
| Base 10 | 40185810 | 40186110 |
| Base 11 | 254a1611 | 254a1911 |
| Base 12 | 17468212 | 17468512 |
| Base 13 | 110bb213 | 110bb513 |
| Base 14 | a664214 | a664514 |
| Base 15 | 7e10815 | 7e10b15 |
| Base 16 | 621c216 | 621c516 |