Compare 155155 vs 155161
| Property | 155155 | 155161 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 51 × 71 × 111 × 131 × 311 | 1551611 |
| Prime factorization | 5 × 7 × 11 × 13 × 31 | 155161 |
| Divisors count | 32 | 2 |
| Divisors | 1, 5, 7, 11, 13, 31, 35, 55, 65, 77, 91, 143, 155, 217, 341, 385, 403, 455, 715, 1001, 1085, 1705, 2015, 2387, 2821, 4433, 5005, 11935, 14105, 22165, 31031, 155155 | 1, 155161 |
| Number of properties | 0 | 6 |
| Additive primes | 5873rd | |
| Chen primes | 6102nd | |
| Isolated primes | 10774th | |
| Primes | 14285th | |
| Pythagorean primes | 7126th | |
| Sexy primes (1st member) | 3494th | |
| Roman numberals | ||
| Base 2 | 1001011110000100112 | 1001011110000110012 |
| Base 3 | 212122111113 | 212122112013 |
| Base 4 | 2113201034 | 2113201214 |
| Base 5 | 144311105 | 144311215 |
| Base 6 | 31541516 | 31542016 |
| Base 7 | 12142307 | 12142367 |
| Base 8 | 4570238 | 4570318 |
| Base 9 | 2557449 | 2557519 |
| Base 10 | 15515510 | 15516110 |
| Base 11 | a663011 | a663611 |
| Base 12 | 7595712 | 7596112 |
| Base 13 | 5581013 | 5581613 |
| Base 14 | 4078714 | 4078d14 |
| Base 15 | 30e8a15 | 30e9115 |
| Base 16 | 25e1316 | 25e1916 |