Compare 21727 vs 21991
| Property | 21727 | 21991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 217271 | 219911 |
| Prime factorization | 21727 | 21991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21727 | 1, 21991 |
| Number of properties | 7 | 5 |
| Additive primes | 1130th | |
| Chen primes | 1196th | 1208th |
| Harmonic primes | 896th | |
| Isolated primes | 1698th | 1720th |
| Long primes | 922nd | |
| Primes | 2437th | 2463rd |
| Sexy primes (1st member) | 742nd | |
| Sexy prime triplets (1st member) | 202nd | |
| Super primes | 361st | |
| Roman numberals | ||
| Base 2 | 1010100110111112 | 1010101111001112 |
| Base 3 | 10022102013 | 10100111113 |
| Base 4 | 111031334 | 111132134 |
| Base 5 | 11434025 | 12004315 |
| Base 6 | 2443316 | 2454516 |
| Base 7 | 1202267 | 1210547 |
| Base 8 | 523378 | 527478 |
| Base 9 | 327219 | 331449 |
| Base 10 | 2172710 | 2199110 |
| Base 11 | 1536211 | 1558211 |
| Base 12 | 106a712 | 1088712 |
| Base 13 | 9b7413 | a01813 |
| Base 14 | 7cbd14 | 802b14 |
| Base 15 | 668715 | 67b115 |
| Base 16 | 54df16 | 55e716 |