Compare 253385 vs 253387
| Property | 253385 | 253387 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 111 × 171 × 2711 | 2533871 |
| Prime factorization | 5 × 11 × 17 × 271 | 253387 |
| Divisors count | 16 | 2 |
| Divisors | 1, 5, 11, 17, 55, 85, 187, 271, 935, 1355, 2981, 4607, 14905, 23035, 50677, 253385 | 1, 253387 |
| Number of properties | 0 | 6 |
| Chen primes | 9227th | |
| Harmonic primes | 8318th | |
| Isolated primes | 17084th | |
| Lucky primes | 2782nd | |
| Primes | 22305th | |
| Sexy primes (2nd member) | 5208th | |
| Roman numberals | ||
| Base 2 | 1111011101110010012 | 1111011101110010112 |
| Base 3 | 1102121201223 | 1102121202013 |
| Base 4 | 3313130214 | 3313130234 |
| Base 5 | 311020205 | 311020225 |
| Base 6 | 52330256 | 52330316 |
| Base 7 | 21035067 | 21035117 |
| Base 8 | 7567118 | 7567138 |
| Base 9 | 4255189 | 4255219 |
| Base 10 | 25338510 | 25338710 |
| Base 11 | 16341011 | 16341211 |
| Base 12 | 10277512 | 10277712 |
| Base 13 | 8b44213 | 8b44413 |
| Base 14 | 684ad14 | 684b114 |
| Base 15 | 5012515 | 5012715 |
| Base 16 | 3ddc916 | 3ddcb16 |