Compare 172421 vs 172422
| Property | 172421 | 172422 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 6 |
| Prime factorization | 1724211 | 21 × 33 × 311 × 1031 |
| Prime factorization | 172421 | 2 × 3 × 3 × 3 × 31 × 103 |
| Divisors count | 2 | 32 |
| Divisors | 1, 172421 | 1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 103, 186, 206, 279, 309, 558, 618, 837, 927, 1674, 1854, 2781, 3193, 5562, 6386, 9579, 19158, 28737, 57474, 86211, 172422 |
| Number of properties | 11 | 0 |
| Additive primes | 6425th | |
| Chen primes | 6657th | |
| Long primes | 5866th | |
| Primes | 15703rd | |
| Prime triplets (1st member) | 745th | |
| Pythagorean primes | 7829th | |
| Sexy primes (1st member) | 3789th | |
| Sexy prime quadrupletss (1st member) | 101st | |
| Sexy prime triplets (1st member) | 775th | |
| Sophie germain primes | 1831st | |
| Twin primes (1st member) | 1900th | |
| Roman numberals | ||
| Base 2 | 1010100001100001012 | 1010100001100001102 |
| Base 3 | 222021112223 | 222021120003 |
| Base 4 | 2220120114 | 2220120124 |
| Base 5 | 210041415 | 210041425 |
| Base 6 | 34101256 | 34101306 |
| Base 7 | 13154547 | 13154557 |
| Base 8 | 5206058 | 5206068 |
| Base 9 | 2824589 | 2824609 |
| Base 10 | 17242110 | 17242210 |
| Base 11 | 1085a711 | 1085a811 |
| Base 12 | 8394512 | 8394612 |
| Base 13 | 6063213 | 6063313 |
| Base 14 | 46b9b14 | 46b9c14 |
| Base 15 | 3614b15 | 3614c15 |
| Base 16 | 2a18516 | 2a18616 |