Compare 1407 vs 1409
| Property | 1407 | 1409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 671 | 14091 |
| Prime factorization | 3 × 7 × 67 | 1409 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 67, 201, 469, 1407 | 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 | MCDVII | MCDIX |
| Base 2 | 101011111112 | 101100000012 |
| Base 3 | 12210103 | 12210123 |
| Base 4 | 1113334 | 1120014 |
| Base 5 | 211125 | 211145 |
| Base 6 | 103036 | 103056 |
| Base 7 | 40507 | 40527 |
| Base 8 | 25778 | 26018 |
| Base 9 | 18339 | 18359 |
| Base 10 | 140710 | 140910 |
| Base 11 | 106a11 | 107111 |
| Base 12 | 99312 | 99512 |
| Base 13 | 84313 | 84513 |
| Base 14 | 72714 | 72914 |
| Base 15 | 63c15 | 63e15 |
| Base 16 | 57f16 | 58116 |