Compare 21009 vs 21017
Property | 21009 | 21017 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 31 × 471 × 1491 | 210171 |
Prime factorization | 3 × 47 × 149 | 21017 |
Divisors count | 8 | 2 |
Divisors | 1, 3, 47, 141, 149, 447, 7003, 21009 | 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 | 1010010000100012 | 1010010000110012 |
Base 3 | 10012110103 | 10012111023 |
Base 4 | 110201014 | 110201214 |
Base 5 | 11330145 | 11330325 |
Base 6 | 2411336 | 2411456 |
Base 7 | 1151527 | 1151637 |
Base 8 | 510218 | 510318 |
Base 9 | 317339 | 317429 |
Base 10 | 2100910 | 2101710 |
Base 11 | 1486a11 | 1487711 |
Base 12 | 101a912 | 101b512 |
Base 13 | 974113 | 974913 |
Base 14 | 792914 | 793314 |
Base 15 | 635915 | 636215 |
Base 16 | 521116 | 521916 |