Compare 20407 vs 20415
| Property | 20407 | 20415 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 204071 | 31 × 51 × 13611 |
| Prime factorization | 20407 | 3 × 5 × 1361 |
| Divisors count | 2 | 8 |
| Divisors | 1, 20407 | 1, 3, 5, 15, 1361, 4083, 6805, 20415 |
| Number of properties | 6 | 0 |
| Additive primes | 1072nd | |
| Chen primes | 1134th | |
| Cousin primes (1st member) | 352nd | |
| Isolated primes | 1615th | |
| Long primes | 880th | |
| Primes | 2306th | |
| Roman numberals | ||
| Base 2 | 1001111101101112 | 1001111101111112 |
| Base 3 | 10002222113 | 10010000103 |
| Base 4 | 103323134 | 103323334 |
| Base 5 | 11231125 | 11231305 |
| Base 6 | 2342516 | 2343036 |
| Base 7 | 1133327 | 1133437 |
| Base 8 | 476678 | 476778 |
| Base 9 | 308849 | 310039 |
| Base 10 | 2040710 | 2041510 |
| Base 11 | 1437211 | 1437a11 |
| Base 12 | b98712 | b99312 |
| Base 13 | 939a13 | 93a513 |
| Base 14 | 761914 | 762314 |
| Base 15 | 60a715 | 60b015 |
| Base 16 | 4fb716 | 4fbf16 |