Compare 138858 vs 138863
| Property | 138858 | 138863 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 231431 | 1388631 |
| Prime factorization | 2 × 3 × 23143 | 138863 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 23143, 46286, 69429, 138858 | 1, 138863 |
| Number of properties | 0 | 7 |
| Additive primes | 5330th | |
| Chen primes | 5564th | |
| Isolated primes | 9716th | |
| Long primes | 4830th | |
| Primes | 12915th | |
| Safe primes | 874th | |
| Sexy primes (1st member) | 3184th | |
| Roman numberals | ||
| Base 2 | 1000011110011010102 | 1000011110011011112 |
| Base 3 | 210011102203 | 210011110023 |
| Base 4 | 2013212224 | 2013212334 |
| Base 5 | 134204135 | 134204235 |
| Base 6 | 25505106 | 25505156 |
| Base 7 | 11155567 | 11155647 |
| Base 8 | 4171528 | 4171578 |
| Base 9 | 2314269 | 2314329 |
| Base 10 | 13885810 | 13886310 |
| Base 11 | 9536511 | 9536a11 |
| Base 12 | 6843612 | 6843b12 |
| Base 13 | 4b28513 | 4b28a13 |
| Base 14 | 3886614 | 3886b14 |
| Base 15 | 2b22315 | 2b22815 |
| Base 16 | 21e6a16 | 21e6f16 |