Compare 89991 vs 90001
| Property | 89991 | 90001 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 34 × 111 × 1011 | 900011 |
| Prime factorization | 3 × 3 × 3 × 3 × 11 × 101 | 90001 |
| Divisors count | 20 | 2 |
| Divisors | 1, 3, 9, 11, 27, 33, 81, 99, 101, 297, 303, 891, 909, 1111, 2727, 3333, 8181, 9999, 29997, 89991 | 1, 90001 |
| Number of properties | 0 | 7 |
| Emirps | 1303rd | |
| Happy primes | 1336th | |
| Harmonic primes | 3300th | |
| Isolated primes | 6483rd | |
| Primes | 8714th | |
| Pythagorean primes | 4349th | |
| Sexy primes (1st member) | 2242nd | |
| Roman numberals | ||
| Base 2 | 101011111100001112 | 101011111100100012 |
| Base 3 | 111201100003 | 111201101013 |
| Base 4 | 1113320134 | 1113321014 |
| Base 5 | 103344315 | 103400015 |
| Base 6 | 15323436 | 15324016 |
| Base 7 | 5232367 | 5232527 |
| Base 8 | 2576078 | 2576218 |
| Base 9 | 1464009 | 1464119 |
| Base 10 | 8999110 | 9000110 |
| Base 11 | 6168011 | 6168a11 |
| Base 12 | 440b312 | 4410112 |
| Base 13 | 31c6513 | 31c7213 |
| Base 14 | 24b1d14 | 24b2914 |
| Base 15 | 1b9e615 | 1ba0115 |
| Base 16 | 15f8716 | 15f9116 |