Compare 90019 vs 90021
| Property | 90019 | 90021 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 900191 | 31 × 371 × 8111 |
| Prime factorization | 90019 | 3 × 37 × 811 |
| Divisors count | 2 | 8 |
| Divisors | 1, 90019 | 1, 3, 37, 111, 811, 2433, 30007, 90021 |
| Number of properties | 6 | 0 |
| Additive primes | 3573rd | |
| Cousin primes (1st member) | 1115th | |
| Emirps | 1305th | |
| Primes | 8718th | |
| Prime triplets (2nd member) | 463rd | |
| Twin primes (2nd member) | 1117th | |
| Roman numberals | ||
| Base 2 | 101011111101000112 | 101011111101001012 |
| Base 3 | 111201110013 | 111201110103 |
| Base 4 | 1113322034 | 1113322114 |
| Base 5 | 103400345 | 103400415 |
| Base 6 | 15324316 | 15324336 |
| Base 7 | 5233067 | 5233117 |
| Base 8 | 2576438 | 2576458 |
| Base 9 | 1464319 | 1464339 |
| Base 10 | 9001910 | 9002110 |
| Base 11 | 616a611 | 616a811 |
| Base 12 | 4411712 | 4411912 |
| Base 13 | 31c8713 | 31c8913 |
| Base 14 | 24b3d14 | 24b4114 |
| Base 15 | 1ba1415 | 1ba1615 |
| Base 16 | 15fa316 | 15fa516 |