Compare 21000 vs 21011
| Property | 21000 | 21011 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 23 × 31 × 53 × 71 | 210111 |
| Prime factorization | 2 × 2 × 2 × 3 × 5 × 5 × 5 × 7 | 21011 |
| Divisors count | 64 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 4200, 5250, 7000, 10500, 21000 | 1, 21011 |
| Number of properties | 0 | 12 |
| Additive primes | 1094th | |
| Chen primes | 1163rd | |
| Happy primes | 391st | |
| Long primes | 897th | |
| Primes | 2362nd | |
| Prime quadruplets (1st member) | 20th | |
| Prime quintuplet 2s (1st member) | 7th | |
| Prime triplets (1st member) | 175th | |
| Sexy primes (1st member) | 714th | |
| Sexy prime triplets (1st member) | 196th | |
| Sophie germain primes | 342nd | |
| Twin primes (1st member) | 358th | |
| Roman numberals | ||
| Base 2 | 1010010000010002 | 1010010000100112 |
| Base 3 | 10012102103 | 10012110123 |
| Base 4 | 110200204 | 110201034 |
| Base 5 | 11330005 | 11330215 |
| Base 6 | 2411206 | 2411356 |
| Base 7 | 1151407 | 1151547 |
| Base 8 | 510108 | 510238 |
| Base 9 | 317239 | 317359 |
| Base 10 | 2100010 | 2101110 |
| Base 11 | 1486111 | 1487111 |
| Base 12 | 101a012 | 101ab12 |
| Base 13 | 973513 | 974313 |
| Base 14 | 792014 | 792b14 |
| Base 15 | 635015 | 635b15 |
| Base 16 | 520816 | 521316 |