Compare 139881 vs 139891
| Property | 139881 | 139891 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 66611 | 1398911 |
| Prime factorization | 3 × 7 × 6661 | 139891 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 6661, 19983, 46627, 139881 | 1, 139891 |
| Number of properties | 0 | 5 |
| Additive primes | 5365th | |
| Isolated primes | 9786th | |
| Long primes | 4857th | |
| Primes | 12999th | |
| Ulam primes | 914th | |
| Roman numberals | ||
| Base 2 | 1000100010011010012 | 1000100010011100112 |
| Base 3 | 210022122103 | 210022200113 |
| Base 4 | 2020212214 | 2020213034 |
| Base 5 | 134340115 | 134340315 |
| Base 6 | 25553336 | 25553516 |
| Base 7 | 11215507 | 11215637 |
| Base 8 | 4211518 | 4211638 |
| Base 9 | 2327839 | 2328049 |
| Base 10 | 13988110 | 13989110 |
| Base 11 | 9610511 | 9611411 |
| Base 12 | 68b4912 | 68b5712 |
| Base 13 | 4b89113 | 4b89b13 |
| Base 14 | 38d9714 | 38da314 |
| Base 15 | 2b6a615 | 2b6b115 |
| Base 16 | 2226916 | 2227316 |