Compare 1406 vs 1409
| Property | 1406 | 1409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 191 × 371 | 14091 |
| Prime factorization | 2 × 19 × 37 | 1409 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 19, 37, 38, 74, 703, 1406 | 1, 1409 |
| Number of properties | 0 | 8 |
| Chen primes | 146th | |
| Emirps | 66th | |
| Isolated primes | 132nd | |
| Primes | 223rd | |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Roman numberals | MCDVI | MCDIX |
| Base 2 | 101011111102 | 101100000012 |
| Base 3 | 12210023 | 12210123 |
| Base 4 | 1113324 | 1120014 |
| Base 5 | 211115 | 211145 |
| Base 6 | 103026 | 103056 |
| Base 7 | 40467 | 40527 |
| Base 8 | 25768 | 26018 |
| Base 9 | 18329 | 18359 |
| Base 10 | 140610 | 140910 |
| Base 11 | 106911 | 107111 |
| Base 12 | 99212 | 99512 |
| Base 13 | 84213 | 84513 |
| Base 14 | 72614 | 72914 |
| Base 15 | 63b15 | 63e15 |
| Base 16 | 57e16 | 58116 |