Compare 1901 vs 1908
| Property | 1901 | 1908 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 19011 | 22 × 32 × 531 |
| Prime factorization | 1901 | 2 × 2 × 3 × 3 × 53 |
| Divisors count | 2 | 18 |
| Divisors | 1, 1901 | 1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908 |
| Number of properties | 11 | 0 |
| Additive primes | 154th | |
| Centered decagonal primes | 14th | |
| Chen primes | 179th | |
| Emirps | 92nd | |
| Harmonic primes | 106th | |
| Isolated primes | 176th | |
| Primes | 291st | |
| Pythagorean primes | 141st | |
| Sexy primes (1st member) | 124th | |
| Sexy prime triplets (1st member) | 49th | |
| Sophie germain primes | 58th | |
| Roman numberals | MCMI | MCMVIII |
| Base 2 | 111011011012 | 111011101002 |
| Base 3 | 21211023 | 21212003 |
| Base 4 | 1312314 | 1313104 |
| Base 5 | 301015 | 301135 |
| Base 6 | 124456 | 125006 |
| Base 7 | 53547 | 53647 |
| Base 8 | 35558 | 35648 |
| Base 9 | 25429 | 25509 |
| Base 10 | 190110 | 190810 |
| Base 11 | 147911 | 148511 |
| Base 12 | 112512 | 113012 |
| Base 13 | b3313 | b3a13 |
| Base 14 | 99b14 | 9a414 |
| Base 15 | 86b15 | 87315 |
| Base 16 | 76d16 | 77416 |