Compare 201661 vs 201669
| Property | 201661 | 201669 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2016611 | 31 × 131 × 51711 |
| Prime factorization | 201661 | 3 × 13 × 5171 |
| Divisors count | 2 | 8 |
| Divisors | 1, 201661 | 1, 3, 13, 39, 5171, 15513, 67223, 201669 |
| Number of properties | 5 | 0 |
| Isolated primes | 13774th | |
| Primes | 18113th | |
| Pythagorean primes | 9041st | |
| Sexy primes (1st member) | 4322nd | |
| Sexy prime triplets (1st member) | 869th | |
| Roman numberals | ||
| Base 2 | 1100010011101111012 | 1100010011110001012 |
| Base 3 | 1010201212213 | 1010201220203 |
| Base 4 | 3010323314 | 3010330114 |
| Base 5 | 224231215 | 224231345 |
| Base 6 | 41533416 | 41533536 |
| Base 7 | 14666357 | 14666467 |
| Base 8 | 6116758 | 6117058 |
| Base 9 | 3365579 | 3365669 |
| Base 10 | 20166110 | 20166910 |
| Base 11 | 12856911 | 12857611 |
| Base 12 | 9885112 | 9885912 |
| Base 13 | 70a3513 | 70a4013 |
| Base 14 | 536c514 | 536cd14 |
| Base 15 | 3eb4115 | 3eb4915 |
| Base 16 | 313bd16 | 313c516 |