Compare 400 vs 407
| Property | 400 | 407 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 52 | 111 × 371 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 5 | 11 × 37 |
| Divisors count | 15 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400 | 1, 11, 37, 407 |
| Number of properties | 0 | 1 |
| Semiprimes | 128th | |
| Roman numberals | CD | CDVII |
| Base 2 | 1100100002 | 1100101112 |
| Base 3 | 1122113 | 1200023 |
| Base 4 | 121004 | 121134 |
| Base 5 | 31005 | 31125 |
| Base 6 | 15046 | 15156 |
| Base 7 | 11117 | 11217 |
| Base 8 | 6208 | 6278 |
| Base 9 | 4849 | 5029 |
| Base 10 | 40010 | 40710 |
| Base 11 | 33411 | 34011 |
| Base 12 | 29412 | 29b12 |
| Base 13 | 24a13 | 25413 |
| Base 14 | 20814 | 21114 |
| Base 15 | 1ba15 | 1c215 |
| Base 16 | 19016 | 19716 |