Compare 220381 vs 220391
| Property | 220381 | 220391 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 191 × 16571 | 2203911 |
| Prime factorization | 7 × 19 × 1657 | 220391 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 19, 133, 1657, 11599, 31483, 220381 | 1, 220391 |
| Number of properties | 0 | 4 |
| Additive primes | 7947th | |
| Chen primes | 8188th | |
| Isolated primes | 14987th | |
| Primes | 19646th | |
| Roman numberals | ||
| Base 2 | 1101011100110111012 | 1101011100111001112 |
| Base 3 | 1020120220213 | 1020120221223 |
| Base 4 | 3113031314 | 3113032134 |
| Base 5 | 240230115 | 240230315 |
| Base 6 | 44201416 | 44201556 |
| Base 7 | 16053407 | 16053537 |
| Base 8 | 6563358 | 6563478 |
| Base 9 | 3652679 | 3652789 |
| Base 10 | 22038110 | 22039110 |
| Base 11 | 14063711 | 14064611 |
| Base 12 | a765112 | a765b12 |
| Base 13 | 7940513 | 7941213 |
| Base 14 | 5a45714 | 5a46314 |
| Base 15 | 4547115 | 4547b15 |
| Base 16 | 35cdd16 | 35ce716 |