Compare 220387 vs 220391
| Property | 220387 | 220391 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 731 × 30191 | 2203911 |
| Prime factorization | 73 × 3019 | 220391 |
| Divisors count | 4 | 2 |
| Divisors | 1, 73, 3019, 220387 | 1, 220391 |
| Number of properties | 1 | 4 |
| Additive primes | 7947th | |
| Chen primes | 8188th | |
| Isolated primes | 14987th | |
| Primes | 19646th | |
| Semiprimes | 49603rd | |
| Roman numberals | ||
| Base 2 | 1101011100111000112 | 1101011100111001112 |
| Base 3 | 1020120221113 | 1020120221223 |
| Base 4 | 3113032034 | 3113032134 |
| Base 5 | 240230225 | 240230315 |
| Base 6 | 44201516 | 44201556 |
| Base 7 | 16053467 | 16053537 |
| Base 8 | 6563438 | 6563478 |
| Base 9 | 3652749 | 3652789 |
| Base 10 | 22038710 | 22039110 |
| Base 11 | 14064211 | 14064611 |
| Base 12 | a765712 | a765b12 |
| Base 13 | 7940b13 | 7941213 |
| Base 14 | 5a45d14 | 5a46314 |
| Base 15 | 4547715 | 4547b15 |
| Base 16 | 35ce316 | 35ce716 |