Compare 401991 vs 401993
| Property | 401991 | 401993 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 471 × 28511 | 4019931 |
| Prime factorization | 3 × 47 × 2851 | 401993 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 47, 141, 2851, 8553, 133997, 401991 | 1, 401993 |
| Number of properties | 0 | 6 |
| Happy primes | 5031st | |
| Isolated primes | 26372nd | |
| Primes | 34001st | |
| Sexy primes (2nd member) | 7673rd | |
| Sexy prime triplets (3rd member) | 1466th | |
| Sophie germain primes | 3600th | |
| Roman numberals | ||
| Base 2 | 11000100010010001112 | 11000100010010010012 |
| Base 3 | 2021021021203 | 2021021021223 |
| Base 4 | 12020210134 | 12020210214 |
| Base 5 | 1003304315 | 1003304335 |
| Base 6 | 123410236 | 123410256 |
| Base 7 | 32626627 | 32626647 |
| Base 8 | 14211078 | 14211118 |
| Base 9 | 6723769 | 6723789 |
| Base 10 | 40199110 | 40199310 |
| Base 11 | 25502711 | 25502911 |
| Base 12 | 17477312 | 17477512 |
| Base 13 | 110c8513 | 110c8713 |
| Base 14 | a66d914 | a66db14 |
| Base 15 | 7e19615 | 7e19815 |
| Base 16 | 6224716 | 6224916 |