Compare 1021280 vs 1021291
| Property | 1021280 | 1021291 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 25 × 51 × 131 × 4911 | 10212911 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 13 × 491 | 1021291 |
| 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, 1021291 |
| Number of properties | 0 | 4 |
| Primes | 80074th | |
| Sexy primes (1st member) | 16693rd | |
| Sexy prime triplets (1st member) | 2947th | |
| Twin primes (2nd member) | 8335th | |
| Roman numberals | ||
| Base 2 | 111110010101011000002 | 111110010101011010112 |
| Base 3 | 12202122210123 | 12202122211213 |
| Base 4 | 33211112004 | 33211112234 |
| Base 5 | 2301401105 | 2301401315 |
| Base 6 | 335200526 | 335201116 |
| Base 7 | 114523317 | 114523457 |
| Base 8 | 37125408 | 37125538 |
| Base 9 | 18258359 | 18258479 |
| Base 10 | 102128010 | 102129110 |
| Base 11 | 63833711 | 63834711 |
| Base 12 | 41302812 | 41303712 |
| Base 13 | 299b1013 | 299b1b13 |
| Base 14 | 1c828814 | 1c829514 |
| Base 15 | 15290515 | 15291115 |
| Base 16 | f956016 | f956b16 |