Compare 1021280 vs 1021289
| Property | 1021280 | 1021289 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 25 × 51 × 131 × 4911 | 10212891 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 13 × 491 | 1021289 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 491, 520, 982, 1040, 1964, 2080, 2455, 3928, 4910, 6383, 7856, 9820, 12766, 15712, 19640, 25532, 31915, 39280, 51064, 63830, 78560, 102128, 127660, 204256, 255320, 510640, 1021280 | 1, 1021289 |
| Number of properties | 0 | 5 |
| Additive primes | 30837th | |
| Chen primes | 30536th | |
| Primes | 80073rd | |
| Sexy primes (2nd member) | 16692nd | |
| Twin primes (1st member) | 8335th | |
| Roman numberals | ||
| Base 2 | 111110010101011000002 | 111110010101011010012 |
| Base 3 | 12202122210123 | 12202122211123 |
| Base 4 | 33211112004 | 33211112214 |
| Base 5 | 2301401105 | 2301401245 |
| Base 6 | 335200526 | 335201056 |
| Base 7 | 114523317 | 114523437 |
| Base 8 | 37125408 | 37125518 |
| Base 9 | 18258359 | 18258459 |
| Base 10 | 102128010 | 102128910 |
| Base 11 | 63833711 | 63834511 |
| Base 12 | 41302812 | 41303512 |
| Base 13 | 299b1013 | 299b1913 |
| Base 14 | 1c828814 | 1c829314 |
| Base 15 | 15290515 | 15290e15 |
| Base 16 | f956016 | f956916 |