Compare 16221 vs 16231
| Property | 16221 | 16231 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 54071 | 162311 |
| Prime factorization | 3 × 5407 | 16231 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 5407, 16221 | 1, 16231 |
| Number of properties | 1 | 3 |
| Additive primes | 897th | |
| Primes | 1887th | |
| Semiprimes | 4148th | |
| Twin primes (2nd member) | 289th | |
| Roman numberals | ||
| Base 2 | 111111010111012 | 111111011001112 |
| Base 3 | 2110202103 | 2110210113 |
| Base 4 | 33311314 | 33312134 |
| Base 5 | 10043415 | 10044115 |
| Base 6 | 2030336 | 2030516 |
| Base 7 | 652027 | 652157 |
| Base 8 | 375358 | 375478 |
| Base 9 | 242239 | 242349 |
| Base 10 | 1622110 | 1623110 |
| Base 11 | 1120711 | 1121611 |
| Base 12 | 947912 | 948712 |
| Base 13 | 74ca13 | 750713 |
| Base 14 | 5ca914 | 5cb514 |
| Base 15 | 4c1615 | 4c2115 |
| Base 16 | 3f5d16 | 3f6716 |