Compare 21997 vs 27673
| Property | 21997 | 27673 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 219971 | 276731 |
| Prime factorization | 21997 | 27673 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21997 | 1, 27673 |
| Number of properties | 8 | 7 |
| Chen primes | 1209th | |
| Good primes | 309th | |
| Harmonic primes | 1123rd | |
| Isolated primes | 1721st | 2139th |
| Left-truncatable primes | 173rd | 183rd |
| Primes | 2464th | 3018th |
| Pythagorean primes | 1223rd | 1505th |
| Sexy primes (1st member) | 743rd | |
| Sexy primes (2nd member) | 742nd | |
| Sexy prime triplets (2nd member) | 202nd | |
| Ulam primes | 228th | |
| Roman numberals | ||
| Base 2 | 1010101111011012 | 1101100000110012 |
| Base 3 | 10100112013 | 11012212213 |
| Base 4 | 111132314 | 123001214 |
| Base 5 | 12004425 | 13411435 |
| Base 6 | 2455016 | 3320416 |
| Base 7 | 1210637 | 1434527 |
| Base 8 | 527558 | 660318 |
| Base 9 | 331519 | 418579 |
| Base 10 | 2199710 | 2767310 |
| Base 11 | 1558811 | 1987811 |
| Base 12 | 1089112 | 1402112 |
| Base 13 | a02113 | c79913 |
| Base 14 | 803314 | a12914 |
| Base 15 | 67b715 | 82ed15 |
| Base 16 | 55ed16 | 6c1916 |