Compare 399145 vs 399151
| Property | 399145 | 399151 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 798291 | 3991511 |
| Prime factorization | 5 × 79829 | 399151 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 79829, 399145 | 1, 399151 |
| Number of properties | 1 | 4 |
| Chen primes | 13640th | |
| Lucky primes | 4055th | |
| Primes | 33793rd | |
| Semiprimes | 87374th | |
| Twin primes (2nd member) | 3796th | |
| Roman numberals | ||
| Base 2 | 11000010111001010012 | 11000010111001011112 |
| Base 3 | 2020211120113 | 2020211121013 |
| Base 4 | 12011302214 | 12011302334 |
| Base 5 | 1002330405 | 1002331015 |
| Base 6 | 123155216 | 123155316 |
| Base 7 | 32514557 | 32514647 |
| Base 8 | 14134518 | 14134578 |
| Base 9 | 6674649 | 6674719 |
| Base 10 | 39914510 | 39915110 |
| Base 11 | 25297a11 | 25298511 |
| Base 12 | 172ba112 | 172ba712 |
| Base 13 | 10c8a613 | 10c8ac13 |
| Base 14 | a566514 | a566b14 |
| Base 15 | 7d3ea15 | 7d40115 |
| Base 16 | 6172916 | 6172f16 |