Compare 21016 vs 21017
| Property | 21016 | 21017 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 23 × 371 × 711 | 210171 |
| Prime factorization | 2 × 2 × 2 × 37 × 71 | 21017 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 2627, 5254, 10508, 21016 | 1, 21017 |
| Number of properties | 0 | 16 |
| Additive primes | 1096th | |
| Chen primes | 1164th | |
| Cousin primes (2nd member) | 358th | |
| Long primes | 898th | |
| Primes | 2364th | |
| Prime quadruplets (3rd member) | 20th | |
| Prime quintuplet 2s (3rd member) | 7th | |
| Prime triplets (1st member) | 177th | |
| Prime triplets (2nd member) | 176th | |
| Prime triplets (3rd member) | 175th | |
| Pythagorean primes | 1175th | |
| Sexy primes (1st member) | 716th | |
| Sexy primes (2nd member) | 714th | |
| Sexy prime triplets (2nd member) | 196th | |
| Twin primes (1st member) | 359th | |
| Ulam primes | 177th | |
| Roman numberals | ||
| Base 2 | 1010010000110002 | 1010010000110012 |
| Base 3 | 10012111013 | 10012111023 |
| Base 4 | 110201204 | 110201214 |
| Base 5 | 11330315 | 11330325 |
| Base 6 | 2411446 | 2411456 |
| Base 7 | 1151627 | 1151637 |
| Base 8 | 510308 | 510318 |
| Base 9 | 317419 | 317429 |
| Base 10 | 2101610 | 2101710 |
| Base 11 | 1487611 | 1487711 |
| Base 12 | 101b412 | 101b512 |
| Base 13 | 974813 | 974913 |
| Base 14 | 793214 | 793314 |
| Base 15 | 636115 | 636215 |
| Base 16 | 521816 | 521916 |