Compare 19992 vs 19997
| Property | 19992 | 19997 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 23 × 31 × 72 × 171 | 199971 |
| Prime factorization | 2 × 2 × 2 × 3 × 7 × 7 × 17 | 19997 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 294, 357, 392, 408, 476, 588, 714, 833, 952, 1176, 1428, 1666, 2499, 2856, 3332, 4998, 6664, 9996, 19992 | 1, 19997 |
| Number of properties | 0 | 9 |
| Chen primes | 1112th | |
| Cousin primes (2nd member) | 344th | |
| Happy primes | 377th | |
| Harmonic primes | 821st | |
| Isolated primes | 1579th | |
| Primes | 2262nd | |
| Prime triplets (3rd member) | 168th | |
| Pythagorean primes | 1125th | |
| Sexy primes (2nd member) | 693rd | |
| Roman numberals | ||
| Base 2 | 1001110000110002 | 1001110000111012 |
| Base 3 | 10001021103 | 10001021223 |
| Base 4 | 103201204 | 103201314 |
| Base 5 | 11144325 | 11144425 |
| Base 6 | 2323206 | 2323256 |
| Base 7 | 1122007 | 1122057 |
| Base 8 | 470308 | 470358 |
| Base 9 | 303739 | 303789 |
| Base 10 | 1999210 | 1999710 |
| Base 11 | 1402511 | 1402a11 |
| Base 12 | b6a012 | b6a512 |
| Base 13 | 913b13 | 914313 |
| Base 14 | 740014 | 740514 |
| Base 15 | 5dcc15 | 5dd215 |
| Base 16 | 4e1816 | 4e1d16 |