Compare 1009987 vs 1009991
| Property | 1009987 | 1009991 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 112 × 171 × 4911 | 10099911 |
| Prime factorization | 11 × 11 × 17 × 491 | 1009991 |
| Divisors count | 12 | 2 |
| Divisors | 1, 11, 17, 121, 187, 491, 2057, 5401, 8347, 59411, 91817, 1009987 | 1, 1009991 |
| Number of properties | 0 | 7 |
| Additive primes | 30468th | |
| Chen primes | 30220th | |
| Primes | 79249th | |
| Prime triplets (1st member) | 2866th | |
| Sexy primes (1st member) | 16534th | |
| Sexy prime triplets (1st member) | 2924th | |
| Twin primes (1st member) | 8253rd | |
| Roman numberals | ||
| Base 2 | 111101101001010000112 | 111101101001010001112 |
| Base 3 | 12200221022213 | 12200221100023 |
| Base 4 | 33122110034 | 33122110134 |
| Base 5 | 2243044225 | 2243044315 |
| Base 6 | 333515116 | 333515156 |
| Base 7 | 114043667 | 114044037 |
| Base 8 | 36645038 | 36645078 |
| Base 9 | 18083879 | 18084029 |
| Base 10 | 100998710 | 100999110 |
| Base 11 | 62a90011 | 62a90411 |
| Base 12 | 40859712 | 40859b12 |
| Base 13 | 29493413 | 29493813 |
| Base 14 | 1c40dd14 | 1c410314 |
| Base 15 | 14e3c715 | 14e3cb15 |
| Base 16 | f694316 | f694716 |