Compare 19415 vs 19421
| Property | 19415 | 19421 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 111 × 3531 | 194211 |
| Prime factorization | 5 × 11 × 353 | 19421 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 11, 55, 353, 1765, 3883, 19415 | 1, 19421 |
| Number of properties | 0 | 18 |
| Additive primes | 1021st | |
| Chen primes | 1088th | |
| Cousin primes (2nd member) | 340th | |
| Emirps | 605th | |
| Good primes | 254th | |
| Happy primes | 371st | |
| Long primes | 838th | |
| Primes | 2199th | |
| Prime quadruplets (1st member) | 19th | |
| Prime quintuplet 1s (2nd member) | 8th | |
| Prime quintuplet 2s (1st member) | 6th | |
| Prime sextuplets (2nd member) | 4th | |
| Prime triplets (1st member) | 165th | |
| Prime triplets (2nd member) | 164th | |
| Pythagorean primes | 1091st | |
| Sexy primes (1st member) | 672nd | |
| Sexy prime triplets (1st member) | 185th | |
| Twin primes (1st member) | 333rd | |
| Roman numberals | ||
| Base 2 | 1001011110101112 | 1001011110111012 |
| Base 3 | 2221220023 | 2221220223 |
| Base 4 | 102331134 | 102331314 |
| Base 5 | 11101305 | 11101415 |
| Base 6 | 2255156 | 2255256 |
| Base 7 | 1104147 | 1104237 |
| Base 8 | 457278 | 457358 |
| Base 9 | 285629 | 285689 |
| Base 10 | 1941510 | 1942110 |
| Base 11 | 1365011 | 1365611 |
| Base 12 | b29b12 | b2a512 |
| Base 13 | 8ab613 | 8abc13 |
| Base 14 | 710b14 | 711314 |
| Base 15 | 5b4515 | 5b4b15 |
| Base 16 | 4bd716 | 4bdd16 |